<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
  xmlns:vc="http://www.w3.org/2007/XMLSchema-versioning" elementFormDefault="qualified" vc:minVersion="1.1">
  <xs:simpleType name="rkMethod">
    <xs:restriction base="xs:string">
      <xs:enumeration value="euler"/>
      <xs:enumeration value="rk2"/>
      <xs:enumeration value="rk4"/>
      <xs:enumeration value="rk23"/>
      <xs:enumeration value="ode23"/>
      <xs:enumeration value="rk23bs"/>
      <xs:enumeration value="rk34f"/>
      <xs:enumeration value="rk45ck"/>
      <xs:enumeration value="rk45f"/>
      <xs:enumeration value="rk45e"/>
      <xs:enumeration value="rk45dp6"/>
      <xs:enumeration value="rk45dp7"/>
      <xs:enumeration value="ode45"/>
      <xs:enumeration value="rk78f"/>
      <xs:enumeration value="rk78dp"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="incidence.denominator">
  <xs:restriction base="xs:string">
    <xs:enumeration value="susc"/>
    <xs:enumeration value="all"/>
  </xs:restriction>
</xs:simpleType>
  <xs:simpleType name="fraction">
    <xs:restriction base='xs:double'>
      <xs:minInclusive value='0.0'/>
      <xs:maxInclusive value='1.0'/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="nonnegdouble">
    <xs:restriction base='xs:double'>
      <xs:minInclusive value='0.0'/>
      <xs:maxInclusive value='1e6'/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="ageinyears">
    <xs:restriction base='xs:integer'>
      <xs:minInclusive value='0'/>
      <xs:maxInclusive value='99'/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name='yearseq'>
    <xs:restriction base='xs:string'>
      <xs:pattern value='(\d+)(,\s*\d+)*'/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name='numberseq'>
    <xs:restriction base='xs:string'>
      <xs:pattern value='(\d+\.?\d*)+(,\s*(\d+\.?\d*))*'/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name='parametername'>
    <xs:restriction base='xs:string'>
      
    <xs:pattern value='[a-zA-Z]*\d*.*'/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name='agegroupID'>
    <xs:restriction base='xs:string'>
      <xs:pattern value='A[0-9]{1,2}'/>
    </xs:restriction>
  </xs:simpleType>
    <xs:complexType name="incidence">
      <xs:sequence>
        <xs:element minOccurs="0" maxOccurs="unbounded" ref="incidence.data"/>
      </xs:sequence>
    </xs:complexType>
  <xs:element name="incidence.data">
    <xs:complexType >
      <xs:attribute name="file" use="required" type="xs:string"/>
      <xs:attribute name="times" use="required" type="xs:string"/>
      <xs:attribute name="values" use="required" type="xs:string"/>
      <xs:attribute name="proportions" default="false" type="xs:boolean"/>
      <xs:attribute name="denominator" default="susc" type="incidence.denominator"/>
      <xs:attribute name="once.per.year" default="false" type="xs:boolean"/>
      <xs:attribute name="target.prevalence" default="false" type="xs:boolean"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="TB.Vx.model.inputfile">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="simulation"/>
        <xs:element ref="output"/>
        <xs:element ref="ages"/>
        <xs:element ref="VXa"/>
        <xs:element ref="SES"/>
        <xs:element ref="RISK"/>
        <xs:element ref="HIV"/>
        <xs:element ref="TB"/>
      </xs:sequence>
    </xs:complexType>

    <xs:key name="VXa.key">
      <xs:selector xpath="VXa/VXa.states/state"/>
      <xs:field xpath="@name"/>
    </xs:key>

    <xs:keyref name="VXa.key.ref.TB.prog" refer="VXa.key">
      <xs:selector xpath="TB/TB.progression/TB.parameter"/>
      <xs:field xpath="@VXa.state"/>
    </xs:keyref>
    <xs:keyref name="VXa.key.ref.TB.infc" refer="VXa.key">
      <xs:selector xpath="TB/TB.infectivity/TB.parameter"/>
      <xs:field xpath="@VXa.state"/>
    </xs:keyref>
    <xs:keyref name="VXa.key.ref.TB.trans" refer="VXa.key">
      <xs:selector xpath="TB/TB.transmission/TB.parameter"/>
      <xs:field xpath="@VXa.state"/>
    </xs:keyref>

    <xs:key name="age.group.key.VXa.prog">
      <xs:selector xpath="VXa/VXa.progression/age.groups/age.group"/>
      <xs:field xpath="@name"/>
    </xs:key>
    <xs:keyref name="age.group.key.VXa.prog.ref" refer="age.group.key.VXa.prog">
      <xs:selector xpath="VXa/VXa.progression/VXa.parameter"/>
      <xs:field xpath="@age.group"/>
    </xs:keyref>

    <xs:keyref name="TB.key.VXa.prog.ref" refer="TB.key">
      <xs:selector xpath="VXa/VXa.progression/VXa.parameter"/>
      <xs:field xpath="@TB.state"/>
    </xs:keyref>

    <xs:keyref name="VXa.ref.VXa.prog.from" refer="VXa.key">
      <xs:selector xpath="VXa/VXa.progression/constant.transition.matrix/transition"/>
      <xs:field xpath="@from"/>
    </xs:keyref>
    <xs:keyref name="VXa.ref.VXa.prog.to" refer="VXa.key">
      <xs:selector xpath="VXa/VXa.progression/constant.transition.matrix/transition"/>
      <xs:field xpath="@to"/>
    </xs:keyref>


    <xs:key name="SES.key">
      <xs:selector xpath="SES/SES.states/state"/>
      <xs:field xpath="@name"/>
    </xs:key>
    <xs:keyref name="SES.key.ref.TB.prog" refer="SES.key">
      <xs:selector xpath="TB/TB.progression/TB.parameter"/>
      <xs:field xpath="@SES.state"/>
    </xs:keyref>
    <xs:keyref name="SES.key.ref.TB.infc" refer="SES.key">
      <xs:selector xpath="TB/TB.infectivity/TB.parameter"/>
      <xs:field xpath="@SES.state"/>
    </xs:keyref>
    <xs:keyref name="SES.key.ref.TB.trans" refer="SES.key">
      <xs:selector xpath="TB/TB.transmission/TB.parameter"/>
      <xs:field xpath="@SES.state"/>
    </xs:keyref>
    <xs:key name="age.group.key.SES.prog">
      <xs:selector xpath="SES/SES.progression/age.groups/age.group"/>
      <xs:field xpath="@name"/>
    </xs:key>
    <xs:keyref name="age.group.key.SES.prog.ref" refer="age.group.key.SES.prog">
      <xs:selector xpath="SES/SES.progression/SES.parameter"/>
      <xs:field xpath="@age.group"/>
    </xs:keyref>
    <xs:keyref name="SES.ref.SES.prog.from" refer="SES.key">
      <xs:selector xpath="SES/SES.progression/constant.transition.matrix/transition"/>
      <xs:field xpath="@from"/>
    </xs:keyref>
    <xs:keyref name="SES.ref.SES.prog.to" refer="SES.key">
      <xs:selector xpath="SES/SES.progression/constant.transition.matrix/transition"/>
      <xs:field xpath="@to"/>
    </xs:keyref>

    <xs:key name="RISK.key">
      <xs:selector xpath="RISK/RISK.states/state"/>
      <xs:field xpath="@name"/>
    </xs:key>
    <xs:keyref name="RISK.key.ref.TB.prog" refer="RISK.key">
      <xs:selector xpath="TB/TB.progression/TB.parameter"/>
      <xs:field xpath="@RISK.state"/>
    </xs:keyref>
    <xs:keyref name="RISK.key.ref.TB.infc" refer="RISK.key">
      <xs:selector xpath="TB/TB.infectivity/TB.parameter"/>
      <xs:field xpath="@RISK.state"/>
    </xs:keyref>
    <xs:keyref name="RISK.key.ref.TB.trans" refer="RISK.key">
      <xs:selector xpath="TB/TB.transmission/TB.parameter"/>
      <xs:field xpath="@RISK.state"/>
    </xs:keyref>
    <xs:key name="age.group.key.RISK.prog">
      <xs:selector xpath="RISK/RISK.progression/age.groups/age.group"/>
      <xs:field xpath="@name"/>
    </xs:key>
    <xs:keyref name="age.group.key.RISK.prog.ref" refer="age.group.key.RISK.prog">
      <xs:selector xpath="RISK/RISK.progression/RISK.parameter"/>
      <xs:field xpath="@age.group"/>
    </xs:keyref>
    <xs:keyref name="RISK.ref.RISK.prog.from" refer="RISK.key">
      <xs:selector xpath="RISK/RISK.progression/constant.transition.matrix/transition"/>
      <xs:field xpath="@from"/>
    </xs:keyref>
    <xs:keyref name="RISK.ref.RISK.prog.to" refer="RISK.key">
      <xs:selector xpath="RISK/RISK.progression/constant.transition.matrix/transition"/>
      <xs:field xpath="@to"/>
    </xs:keyref>

    <xs:key name="HIV.key">
      <xs:selector xpath="HIV/HIV.states/state"/>
      <xs:field xpath="@name"/>
    </xs:key>
    <xs:keyref name="HIV.ref.TB.prog" refer="HIV.key">
      <xs:selector xpath="TB/TB.progression/TB.parameter"/>
      <xs:field xpath="@HIV.state"/>
    </xs:keyref>
    <xs:keyref name="HIV.ref.TB.infc" refer="HIV.key">
      <xs:selector xpath="TB/TB.infectivity/TB.parameter"/>
      <xs:field xpath="@HIV.state"/>
    </xs:keyref>
    <xs:keyref name="HIV.ref.TB.trans" refer="HIV.key">
      <xs:selector xpath="TB/TB.transmission/TB.parameter"/>
      <xs:field xpath="@HIV.state"/>
    </xs:keyref>


    <xs:key name="age.group.key.HIV.prog">
      <xs:selector xpath="HIV/HIV.progression/age.groups/age.group"/>
      <xs:field xpath="@name"/>
    </xs:key>
    <xs:keyref name="age.group.key.HIV.prog.ref" refer="age.group.key.HIV.prog">
      <xs:selector xpath="HIV/HIV.progression/HIV.parameter"/>
      <xs:field xpath="@age.group"/>
    </xs:keyref>
    <xs:keyref name="HIV.ref.HIV.prog.from" refer="HIV.key">
      <xs:selector xpath="HIV/HIV.progression/constant.transition.matrix/transition"/>
      <xs:field xpath="@from"/>
    </xs:keyref>
    <xs:keyref name="HIV.ref.HIV.prog.to" refer="HIV.key">
      <xs:selector xpath="HIV/HIV.progression/constant.transition.matrix/transition"/>
      <xs:field xpath="@to"/>
    </xs:keyref>



    <xs:key name="age.group.key.TB.prog">
      <xs:selector xpath="TB/TB.progression/age.groups/age.group"/>
      <xs:field xpath="@name"/>
    </xs:key>
    <xs:keyref name="age.group.key.TB.prog.ref" refer="age.group.key.TB.prog">
      <xs:selector xpath="TB/TB.progression/TB.parameter"/>
      <xs:field xpath="@age.group"/>
    </xs:keyref>
    <xs:key name="age.group.key.TB.infc">
      <xs:selector xpath="TB/TB.infectivity/age.groups/age.group"/>
      <xs:field xpath="@name"/>
    </xs:key>
    <xs:keyref name="age.group.key.TB.infc.ref" refer="age.group.key.TB.infc">
      <xs:selector xpath="TB/TB.infectivity/TB.parameter"/>
      <xs:field xpath="@age.group"/>
    </xs:keyref>

    <xs:key name="TB.key">
      <xs:selector xpath="TB/TB.states/state"/>
      <xs:field xpath="@name"/>
    </xs:key>
    <xs:keyref name="TB.ref.TB.transm.from" refer="TB.key">
      <xs:selector xpath="TB/TB.transmission/transmission.matrix/transition"/>
      <xs:field xpath="@from"/>
    </xs:keyref>
    <xs:keyref name="TB.ref.TB.transm.to" refer="TB.key">
      <xs:selector xpath="TB/TB.transmission/transmission.matrix/transition"/>
      <xs:field xpath="@to"/>
    </xs:keyref>
    <xs:keyref name="TB.ref.TB.prog.from" refer="TB.key">
      <xs:selector xpath="TB/TB.progression/constant.transition.matrix/transition"/>
      <xs:field xpath="@from"/>
    </xs:keyref>
    <xs:keyref name="TB.ref.TB.prog.to" refer="TB.key">
      <xs:selector xpath="TB/TB.progression/constant.transition.matrix/transition"/>
      <xs:field xpath="@to"/>
    </xs:keyref>
    <xs:keyref name="TB.ref.TB.infc" refer="TB.key">
      <xs:selector xpath="TB/TB.infectivity/infectivity.matrix/infectivity"/>
      <xs:field xpath="@state"/>
    </xs:keyref>
  </xs:element>
  <xs:element name="simulation">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="options"/>
        <xs:element ref="demography"/>
        <xs:element ref="contact.matrix" minOccurs="0" maxOccurs="unbounded"/>
      </xs:sequence>
      <xs:attribute name="from.year" use="required" type="xs:integer"/>
      <xs:attribute name="thru.year" use="required" type="xs:integer"/>
      <xs:attribute name="dt" default="0.5" type="fraction"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="options">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="numerical.integration" minOccurs="1" maxOccurs="2"/>
        <xs:element ref="intervention.start" minOccurs="0"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="intervention.start">
    <xs:complexType>
      <xs:attribute name="from.incidence.data" default="VXa" type="xs:string" />
      <xs:attribute name="year" default="1e6" type="nonnegdouble"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="numerical.integration">
    <xs:complexType>
      <xs:attribute name="from.year" default="1900" type="xs:integer"/>
      <xs:attribute name="method" default="ode23" type="rkMethod"/>
      <xs:attribute name="maxsteps" default="5000" type="xs:nonNegativeInteger"/>
      <xs:attribute name="hmin" default="0.0" type="fraction"/>
      <xs:attribute name="hini" default="0.2" type="fraction"/>
      <xs:attribute name="rtol" default="1e-6" type="fraction"/>
      <xs:attribute name="atol" default="1e-6" type="fraction"/>
      <xs:attribute name="min.value.for.state.var" default="-0.03" type="xs:double"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="demography">
    <xs:complexType>
      <xs:choice>
        <xs:element ref="from.data"/>
        <xs:element ref="from.distribution"/>
      </xs:choice>
      <xs:attribute name="country.code" use="required" type="xs:string"/>
      <xs:attribute name="rescale.population" use="required" type="xs:double"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="from.data">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="population"/>
        <xs:element ref="birthrate"/>
        <xs:element ref="mortality"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="from.distribution">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="population"/>
        <xs:element ref="birthrate"/>
        <xs:element ref="mortality"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="contact.matrix">
    <xs:complexType>
      <xs:attribute name="file" use="optional" type="xs:string"/>
      <xs:attribute name="Mtb-strain" use="optional" type="xs:string"/>
      <xs:attribute name="use.transpose.initial.contact.matrix" default="false" type="xs:boolean"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="output">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="final.population.as.fraction" minOccurs="0" maxOccurs="1"/>
        <xs:element ref="detailed.output" minOccurs="0" maxOccurs="1"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="final.population.as.fraction">
    <xs:complexType>
      <xs:attribute name="file" use="required" type="xs:string"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="detailed.output">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="flows" minOccurs="5" maxOccurs="5"/>
      </xs:sequence>
      <xs:attribute name="years" use="required" type="xs:string"/>
      <xs:attribute name="age.group.lower.limits" use="optional" type="xs:string"/>
      <xs:attribute name="econ.output" default="false" type="xs:boolean"/>
      <xs:attribute name="suppress.zeros.in.stocks" default="false" type="xs:boolean"/>
      <xs:attribute name="suppress.zeros.in.flows" default="false" type="xs:boolean"/>
      <xs:attribute name="combine.stocks.and.flows" default="false" type="xs:boolean"/>
      <xs:attribute name="excluded.from.dHIVTBx" default="NA" type="xs:string"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="flows">
    <xs:complexType>
      <xs:attribute name="dim" use="required" type="xs:string"/>
      <xs:attribute name="transmission" default="false" type="xs:boolean"/>
      <xs:attribute name="progression" default="false" type="xs:boolean"/>
      <xs:attribute name="treatment" default="false" type="xs:boolean"/>
      <xs:attribute name="incidence" default="false" type="xs:boolean"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="population">
    <xs:complexType>
      <xs:attribute name="file" type="xs:string" />
    </xs:complexType>
  </xs:element>
  <xs:element name="birthrate">
    <xs:complexType>
      <xs:attribute name="from.population.data" default="false" type="xs:boolean"/>
      <xs:attribute name="fraction" type="fraction"/>
      <xs:attribute name="number" type="xs:integer"/>
      <xs:attribute name="file" type="xs:string"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="mortality">
    <xs:complexType>
      <xs:attribute name="file" use="optional" type="xs:string"/>
    </xs:complexType>
  </xs:element>
   <xs:element name="ages">
    <xs:complexType>
      <xs:attribute name="lower.limits"  use="required" type="xs:string"/>
    </xs:complexType>
  </xs:element>

  <xs:element name="VXa">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="1" maxOccurs="1" ref="VXa.states"/>
        <xs:element minOccurs="0" name="VXa.incidence" type="incidence"/>
        <xs:element minOccurs="0" ref="VXa.progression"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="VXa.states">
    <xs:complexType>
      <xs:sequence>
        <xs:element maxOccurs="unbounded" minOccurs="1" ref="state"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="VXa.progression">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="0" maxOccurs="1" ref="age.groups"/>
        <xs:element minOccurs="0" maxOccurs="unbounded" ref="VXa.parameter"/>
        <xs:element minOccurs="0" maxOccurs="1" ref="constant.transition.matrix"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="VXa.parameter">
    <xs:complexType>
      <xs:attribute name="age.group"  use="optional" type="agegroupID"/>
      <xs:attribute name="TB.state" use="optional" type="xs:string"/>
      <xs:attribute name="HIV.state" use="optional" type="xs:string"/>
      <xs:attribute name="RISK.state" use="optional" type="xs:string"/>
      <xs:attribute name="name" use="required" type="parametername"/>
      <xs:attribute name="value" use="required" type="nonnegdouble"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="SES">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="1" maxOccurs="1" ref="SES.states"/>
        <xs:element minOccurs="0" ref="SES.progression"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="SES.states">
    <xs:complexType>
      <xs:sequence>
        <xs:element maxOccurs="unbounded" minOccurs="1" ref="state"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="SES.progression">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="0" maxOccurs="1" ref="age.groups"/>
        <xs:element minOccurs="0" maxOccurs="unbounded" ref="SES.parameter"/>
        <xs:element minOccurs="0" maxOccurs="1" ref="constant.transition.matrix"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="SES.parameter">
    <xs:complexType>
      <xs:attribute name="age.group"  use="optional" type="agegroupID"/>
      <xs:attribute name="name" use="required" type="parametername"/>
      <xs:attribute name="value" use="required" type="nonnegdouble"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="RISK">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="1" maxOccurs="1" ref="RISK.states"/>
        <xs:element minOccurs="0" name="RISK.incidence" type="incidence"/>
        <xs:element minOccurs="0" ref="RISK.progression"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="RISK.states">
    <xs:complexType>
      <xs:sequence>
        <xs:element maxOccurs="unbounded" minOccurs="1" ref="state"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="RISK.progression">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="0" maxOccurs="1" ref="age.groups"/>
        <xs:element minOccurs="0" maxOccurs="unbounded" ref="RISK.parameter"/>
        <xs:element minOccurs="0" maxOccurs="1" ref="constant.transition.matrix"/>
        <xs:element minOccurs="0" maxOccurs="unbounded" ref="transition.matrix"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="RISK.parameter">
    <xs:complexType>
      <xs:attribute name="age.group"  use="optional" type="agegroupID"/>
      <xs:attribute name="VXa.state"  use="optional" type="xs:string"/>
      <xs:attribute name="TB.state" use="optional" type="xs:string"/>
      <xs:attribute name="HIV.state" use="optional" type="xs:string"/>
      <xs:attribute name="name" use="required" type="parametername"/>
      <xs:attribute name="value" use="required" type="nonnegdouble"/>
    </xs:complexType>
  </xs:element>

  <xs:element name="HIV">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="1" maxOccurs="1" ref="HIV.states"/>
        <xs:element name="HIV.incidence" minOccurs="0" maxOccurs="1" type="incidence"/>
        <xs:element minOccurs="0" ref="HIV.progression"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="HIV.states">
    <xs:complexType>
      <xs:sequence>
        <xs:element maxOccurs="unbounded" minOccurs="1" ref="state"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="HIV.progression">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="0" maxOccurs="1" ref="age.groups"/>
        <xs:element minOccurs="0" maxOccurs="unbounded" ref="HIV.parameter"/>
        <xs:element minOccurs="0" maxOccurs="1" ref="constant.transition.matrix"/>
        <xs:element minOccurs="0" maxOccurs="unbounded" ref="transition.matrix"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="HIV.parameter">
    <xs:complexType>
      <xs:attribute name="age.group"  use="optional" type="agegroupID"/>
      <xs:attribute name="name" use="required" type="parametername"/>
      <xs:attribute name="value" use="required" type="nonnegdouble"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="TB">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="TB.states"/>
        <xs:element ref="seeded.infections"/>
        <xs:element ref="TB.progression"/>
        <xs:element ref="TB.infectivity"/>
        <xs:element ref="TB.transmission"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="TB.states">
    <xs:complexType>
      <xs:sequence>
        <xs:element maxOccurs="unbounded" minOccurs="1" ref="state"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="state">
    <xs:complexType>
        <xs:attribute name="name" use="required" type="parametername"/>
        <xs:attribute name="fraction.at.birth" type="fraction" />
    </xs:complexType>
  </xs:element>
  <xs:element name="seeded.infections">
    <xs:complexType>
      <xs:sequence>
        <xs:element maxOccurs="unbounded" ref="seeded.infection"/>
      </xs:sequence>
      <xs:attribute name="name" use="required" type="parametername"/>
      <xs:attribute name="value" use="required" type="nonnegdouble"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="seeded.infection">
    <xs:complexType>
      <xs:attribute name="age.from" use="required" type="xs:nonNegativeInteger"/>
      <xs:attribute name="age.thru" use="required" type="xs:nonNegativeInteger"/>
      <xs:attribute name="fraction" use="required" type="fraction"/>
      <xs:attribute name="state" use="required" type="parametername"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="TB.progression">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="0" maxOccurs="1" ref="age.groups"/>
        <xs:element maxOccurs="unbounded" ref="TB.parameter"/>
        <xs:element minOccurs="0" maxOccurs="unbounded" ref="tests"/>
        <xs:element minOccurs="0" maxOccurs="1" ref="constant.transition.matrix"/>
        <xs:element minOccurs="0" maxOccurs="unbounded" ref="transition.matrix"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="TB.infectivity">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="0" maxOccurs="1" ref="age.groups"/>
        <xs:element maxOccurs="unbounded" ref="TB.parameter"/>
        <xs:element minOccurs="1" maxOccurs="unbounded" ref="infectivity.matrix"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="infectivity.matrix">
    <xs:complexType>
      <xs:sequence>
        <xs:element maxOccurs="unbounded" ref="infectivity"/>
      </xs:sequence>
      <xs:attribute name="Mtb-strain" use="required" type="xs:string"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="infectivity">
    <xs:complexType>
      <xs:attribute name="state" use="required" type="parametername"/>
      <xs:attribute name="value" use="required" type="xs:string"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="TB.transmission">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="0" maxOccurs="1" ref="age.groups"/>
        <xs:element minOccurs="0" maxOccurs="unbounded" ref="TB.parameter"/>
        <xs:element minOccurs="1" maxOccurs="unbounded" ref="transmission.matrix"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="TB.parameter">
    <xs:complexType>
      <xs:attribute name="VXa.state" use="optional" type="parametername"/>
      <xs:attribute name="SES.state" use="optional" type="parametername"/>
      <xs:attribute name="RISK.state" use="optional" type="parametername"/>
      <xs:attribute name="HIV.state" use="optional" type="parametername"/>
      <xs:attribute name="age.group" use="optional" type="agegroupID"/>
      <xs:attribute name="name" use="required" type="parametername"/>
      <xs:attribute name="value" use="required" type="nonnegdouble"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="parameter">
    <xs:complexType>
      <xs:attribute name="name" use="required" type="parametername"/>
      <xs:attribute name="value" use="required" type="xs:string"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="age.groups">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="1" maxOccurs="unbounded" ref="age.group"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="age.group">
    <xs:complexType>
      <xs:attribute name="name" use="required" type="agegroupID"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="transmission.matrix">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="0" maxOccurs="unbounded" ref="parameter"/>
        <xs:element maxOccurs="unbounded" ref="transition"/>
        <xs:element minOccurs="0" maxOccurs="1" name="multiplier" type="timed.parameter"/>
      </xs:sequence>
      <xs:attribute name="Mtb-strain" use="required" type="xs:string"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="transition.matrix">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="0" maxOccurs="unbounded" ref="parameter"/>
        <xs:element maxOccurs="unbounded" ref="transition"/>
        <xs:element minOccurs="0" maxOccurs="unbounded" name="multiplier" type="timed.parameter"/>
      </xs:sequence>
      <xs:attribute name="after.test" use="optional" type="parametername"/>
      <xs:attribute name="name" use="required" type="parametername"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="tests">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="0" maxOccurs="unbounded" ref="test"/>
        <xs:element minOccurs="0" maxOccurs="unbounded" ref="compound.test"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="test">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="1" maxOccurs="unbounded" ref="TB.state.tested"/>
      </xs:sequence>
      <xs:attribute name="name" use="required" type="parametername"/>
      <xs:attribute name="age.group" use="optional" type="agegroupID"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="TB.state.tested">
    <xs:complexType>
      <xs:attribute name="name" use="required" type="parametername"/>
      <xs:attribute name="fraction.positive" use="required" type="xs:string"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="compound.test">
    <xs:complexType>
      <xs:attribute name="name" use="required" type="parametername"/>
      <xs:attribute name="expression" use="required" type="xs:string"/>
    </xs:complexType>
  </xs:element>
  <xs:element name="constant.transition.matrix">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="0" maxOccurs="unbounded" ref="parameter"/>
        <xs:element maxOccurs="unbounded" ref="transition"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="transition">
    <xs:complexType>
      <xs:attribute name="from" use="required" type="parametername"/>
      <xs:attribute name="rate" use="required"/>
      <xs:attribute name="to" use="required" type="parametername"/>
    </xs:complexType>
  </xs:element>
  <xs:complexType name="timed.parameter">
      <xs:attribute name="name" use="required" type="parametername"/>
      <xs:attribute name="times" use="required" type="xs:string"/>
      <xs:attribute name="values" use="required" type="xs:string"/>
      <xs:attribute name="interpolate" default="false" type="xs:boolean" />
  </xs:complexType>
</xs:schema>