American College of Cardiology (ACC)

Canadian Medical Association - Association Médicale Canadienne

CDC - Centres for Disease Control, Atlanta, USA

EXTOXNET - The EXtension TOXicology NETwork

Escuela Andaluza de Salud Pública

FDA - Food and Drug Administration

Greenpeace International

INSERM (France)

Instituto de Salud Carlos III (ISC III)- España

MRC-Medical Research Council (UK)

Medem (Seven USA Academies of Medecine)

National Heart, Lung, and Blood Institute (NHLBI)

National Institutes of Health (NIH)- USA

National Library of Medicine (NLM) - USA

PAHO (Pan American Health Organization)

The European Observatory on Health Care Systems

The Royal College of General Practitioners (RCGP-UK)

The World Bank

U.S. National Library of Medicine (NLM)

United Nations Children's Fund (UNICEF)

WHO World Health Organization

WONCA