Replaces tag

Removed as this applies to sending new versions across after PoA v1. If we do a PoA v2, we'd need to add this data in
pii

Removed poi as an ID as unrequited - DOI is acceptable identifier
<middleName>

As PubMed dtd allows middle name (initial) to be separated out, and this is separate in EJP output, seems sensible to put this level of detail into this xml
History

Added history status unavailable in HW xml, but we can add this so should
PubDate PubStatus aheadofprint

This is PubMed's term for our PoA
Removed DOI from Abstract

Does not exist at this stage of publication
Updated history dates

so more accurate!
Added keywords - major subject area

Notice added 3 for the two major subject areas:
plant biology
genes (and) chromosomes