Suggested schema change
Addition of ‘PubMedID’ to 'relatedInfo' identifier type.

Reason for change
PubMed IDs are the unique identifiers of entries in PubMed, a free database of journal citations and abstracts in fields related to medicine. PubMed is maintained by the National Center for Biotechnology Information (NCBI), at the U.S. National Library of Medicine (NLM), located at the National Institutes of Health (NIH).