Wrapper element to contain the information about a single contributor, for example, an author or editor.
The following, in order:
<contrib-id> Contributor Identifier, zero or more
Any combination of:
Contributor Naming Elements
<anonymous> Anonymous
<collab> Collaborative (Group) Author
<collab-alternatives> Collaboration Alternatives
<name> Name of Person (Structured)
<name-alternatives> Name Alternatives
<degrees> Degree(s), zero or more
<address> Address/Contact Information
<aff> Affiliation
<aff-alternatives> Affiliation Alternatives
<author-comment> Author Comment
<bio> Biography
External Linking Elements
<email> Email Address
<ext-link> External Link
<uri> Uniform Resource Identifier (URI)
<on-behalf-of> On Behalf of
<role> Role or Function Title of Contributor
<xref> X(cross) Reference