Content model for the <contrib> element
<!ENTITY % contrib-model "((%name.class;)*, (%degree.class; | %contrib-info.class;)* )">
((anonymous | collab | name | string-name)*, (degrees | address | aff | author-comment | bio | email | etal | ext-link | on-behalf-of | role | uri | xref)* )
articlemeta3.ent