American Psychiatric Association Publishing, 2005

American Psychiatric Association Publishing, 2004

Public Library of Science (PLoS), 2004

American Psychiatric Association Publishing, 2004

American Psychiatric Association Publishing, 2004

American Psychiatric Association Publishing, 2003

American Psychiatric Association Publishing, 2001

American Psychiatric Association Publishing, 2000

Elsevier BV, 1999

Massachusetts Medical Society, 1999

American Medical Association (AMA), 1999

American Psychiatric Association Publishing, 1997

Elsevier BV, 1997

Ovid Technologies (Wolters Kluwer Health), 1997

American Association for the Advancement of Science (AAAS), 1997

American Society for the Advancement of Science, 1997

Elsevier BV, 1996

Elsevier BV, 1995

American Psychiatric Association Publishing, 1994

Royal College of Psychiatrists, 1989