There may be many reasons why the text or metadata of an article might be footnoted. For those footnotes known to contain 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.
|Conflict of interest statements
|Corresponding author information not identified separately, but merely footnoted
|Contributor’s current affiliation
|Person has died since article was written.
|Contributor has the role of an editor.
|Contributed equally to the creation of the document
|Statement of funding or denial of funds received in support of the research on which an article is based
|Contributor is on sabbatical or other leave of absence.
|Some footnote type, other than those enumerated.
|Contributor was a researcher for an article.
|Contributor’s current address
|Conference, colloquium, or other occasion at which this paper was presented
|Contributor who presented the material
|Contributor’s previous location or affiliation
|Contributor was a member of the study group for the research
|Points to or describes supplementary material for the article
|Research upon which an article is based was supported by some entity
|Restriction: This attribute may be specified if the element is used.