Emails
Capture contributor emails in an <email>
element as a child of
the relevant <contrib>
element.
Example
<contrib contrib-type="author">
<name name-style="western">
<surname>Bloggs</surname>
<given-names>Joe</given-names>
</name>
<xref ref-type="aff" rid="aff1"/>
<xref ref-type="bio" rid="bio1"/>
<email>joe.bloggs@email.com</email>
</contrib>