Data Item _audit_author.identifier_ORCID
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General 
- Item name
- _audit_author.identifier_ORCID
- Category name
- audit_author
- Attribute name
- identifier_ORCID
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 8.5 % of entries
Item Description
The Open Researcher and Contributor ID (ORCID).
Item Example
0000-0002-6681-547X
Data Type 
- Data type code
- orcid_id
- Data type detail
- ORCID pattern - dddd-dddd-dddd-dddd|dddX
- Primitive data type code
- char
- Regular expression
- [0-9]{4}-[0-9]{4}-[0-9]{4}-([0-9]{3}X|[0-9]{4})