A group of authors, editors, or other contributors credited under a single name, either as a collaboration in the strict sense of the word, or when an organization such as a laboratory, educational institution, corporation, or department acts as the contributor, for example authored the work
Not to be confused with the element <contrib-group> which is a container element that holds information such as the names and affiliations of a group of individual contributors.
<!ELEMENT collab (#PCDATA %collab-elements;)* >
(#PCDATA | inline-supplementary-material | related-article | related-object | addr-line | country | fax | institution | phone | hr | break | contrib-group | address | aff | author-comment | bio | email | etal | ext-link | fn | on-behalf-of | role | uri | xref | bold | italic | monospace | overline | overline-start | overline-end | roman | sans-serif | sc | strike | underline | underline-start | underline-end | alternatives | inline-graphic | private-char | chem-struct | inline-formula | tex-math | mml:math | abbrev | milestone-end | milestone-start | named-content | styled-content | sub | sup | x)*
Any combination of:
... <ref> <mixed-citation publication-type="report"> <collab>National High Blood Pressure Education Program (US)</collab>. <source>The fourth report on the diagnosis, evaluation, and treatment of high blood pressure in children and adolescents</source>. <edition>Rev. ed</edition>. <publisher-loc>Bethesda (MD)</publisher-loc>: <publisher-name>National Heart, Lung, and Blood Institute (US)</publisher-name>; <year>2005</year>. <size units="page">48 p</size>. (NIH publication; no. 05-5267).</mixed-citation> </ref> ...
... <contrib-group> <contrib contrib-type="author"> <collab> <named-content content-type="program">Joint United Nations Program on HIV/AIDS (UNAIDS)</named-content>, <institution>World Health Organization</institution>, Geneva, <country>Switzerland</country> </collab> </contrib> <contrib contrib-type="author"> <collab> <named-content content-type="program">Nonoccupational HIV PEP Task Force, Brown University AIDS Program</named-content> and the <institution>Rhode Island Department of Health</institution>, Providence, Rhode Island</collab> </contrib> </contrib-group> ...