The journal was established in 1996 by Douglas D. Richman (University of California, San Diego) and Joep M.A.

[1] The initial publication frequency was quarterly, rising to bimonthly in 2003 and to eight issues a year in 2005.

Articles from 1998 are archived online in PDF format, with content over a year old being available for free.

All online content is available free to those living in developing countries through HINARI.

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