When a contributor is acting as a representative of an organization, he/she is said to have written or edited a work on behalf of that organization or group, and this element holds the name of the organization or group.
Any combination of:
...
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Forster</surname>
<given-names>Anne</given-names>
</name>
<on-behalf-of>for the Multiple Sclerosis Collaborative
Research Group</on-behalf-of>
<role>research physiotherapist</role>
<xref ref-type="aff" rid="StLukes">
<sup><italic>a</italic></sup></xref>
</contrib>
<aff id="StLukes">St. Luke’s Hospital, Chesterfield,
Missouri</aff>
</contrib-group>
...
JATS-articlemeta0.ent