Contact information for a user. The format allows more than one user with the same affiliation and contact information, but a second :ref:`NXuser` group should be used if they have different affiliations, etc. Name of user responsible for this entry Role of user responsible for this entry. Suggested roles are "local_contact", "principal_investigator", and "proposer" Affiliation of user Address of user Telephone number of user Fax number of user Email of user facility based unique identifier for this person e.g. their identification code on the facility address/contact database an author code, Open Researcher and Contributor ID, defined by https://orcid.org and expressed as a URI