anchor.diff:  	<tags:createField property="twin" component="${component}" entityType="patient"/>
   	<tags:createField property="twinZygosity" component="${component}" entityType="patient"/>
   	<tags:createField property="twinId" component="${component}" entityType="patient"/>
  -	<tags:createField property="projSiteId" component="${component}" entityType="patient"/>
   	<tags:createField property="relationNotes" component="${component}" entityType="patient"/>
   </page:applyDecorator> 
   
  
positive.code:     <ui:enable elementIds="${component}_relationToProband"/>
  	<ui:enable elementIds="${component}_probandCandidate"/>
  	<ui:enable elementIds="${component}_twin"/>
  	<ui:enable elementIds="${component}_projSiteId"/>
      <ui:enable elementIds="${component}_relationNotes"/>  
      <ui:setValue elementIds="${component}_familyStudy" value=""/>
  </ui:formGuide>
  
negative.code: 	<ui:disable elementIds="${component}_familyId"/>
  	<ui:disable elementIds="${component}_probandCandidate"/>
  	<ui:disable elementIds="${component}_twin"/>
  	<ui:disable elementIds="${component}_relationNotes"/>
      <ui:setValue elementIds="${component}_relationToProband" value=""/>
  	<ui:setValue elementIds="${component}_probandCandidate" value=""/>
  	<ui:setValue elementIds="${component}_twin" value=""/>
      <ui:setValue elementIds="${component}_relationNotes" value=""/>
      <ui:setValue elementIds="${component}_familyId" value=""/>
  </ui:formGuide>
  