For those footnotes known to point to a particular type of information, this attribute names the type of material being stated in the footnote. This could be a means of preserving, for example, the information that a contributor is on leave of absence.
| Value | Meaning |
|---|---|
| abbr | Abbreviations. |
| com | Communicated-by information. |
| con | Contributed-by information. |
| conflict | Conflict of interest statements. |
| corresp | Corresponding author information is not identified separately but is merely a footnote. |
| current-aff | Contributor’s current affiliation. |
| deceased | Person has died since article was written. |
| edited-by | Contributor has the role of an editor. |
| equal | Contributed equally to the creation of the document. |
| financial-disclosure | Statement of funding or denial of funds received in support of the research on which an article is based. |
| on-leave | Contributor is on sabbatical or other leave of absence. |
| participating-researchers | Contributor was a researcher for an article. |
| present-address | Contributor’s current address. |
| presented-at | Conference, colloquium, or other occasion at which this paper was presented. |
| presented-by | Contributor who presented the material. |
| previously-at | Contributor’s previous location or affiliation. |
| study-group-members | Contributor was a member of the study group for the research. |
| supplementary-material | Points to or describes supplementary material for the article. |
| supported-by | Research upon which an article is based was supported by some entity. |
| other | Some footnote type, other than those enumerated. |
| Restriction: This attribute may be specified if the element is used. | |