The electronic mail address of a person or institution.
The address element <email> is allowed as part of a paragraph as well as inside an address.
Text, numbers, or special characters
...
<aff id="hhMI">Department of Molecular, Cellular, and Developmental
Biology, Howard Hughes Medical Institution, University of Colorado,
Boulder, Colorado 80303-0347</aff>
<author-notes>
<fn id="FN150" symbol="*"><p>Corresponding
author. E-mail address:<email>mhan@colorado.edu</email>.</p>
</fn>
</author-notes>
...
common.ent