Any combination of:

• Text, numbers, or special characters

• Contributor Naming Elements

  • <anonymous> Anonymous

  • <collab> Collaborative (Group) Author

  • <collab-alternatives> Collaboration Alternatives

  • <name> Name of Person

  • <name-alternatives> Name Alternatives

• <aff> Affiliation

• <aff-alternatives> Affiliation Alternatives

• <etal> Et Al.

• <role> Role or Function Title of Contributor

• <string-name> Name of Person (Unstructured)