Portugal
- Society of Medical Sciences (1986- )
- Portuguese Society of Nephrology (1986- )
- Portuguese Society of Intensive Care (1986- )
- Portuguese Society of Internal Medicine (1987- )
- Portuguese Society of Medical Education (1987- )
- Portuguese Society of Hemorrheology and Microcirculation (1994- )
U.S.A. and CANADA
- American Society for the Advancement of Sciences (1986- )
- New York Academy of Sciences (1986- )
- Society for Medical Decision Making (1990- )
- Society of Critical Care Medicine (1990- )
- Alliance for Continuous Medical Education (1998- )
- American College of Physicians, U.S.A. (2000- )
- American Medical Association, U.S.A. (2003- )
- American Medical Informatics Association (2004- )
- Canadian Medical Association, Canada (2002- )
Europe
- European Society of Intensive Care (1989- )
- Association for Medical Education in Europe (1996- )
- European Society of Cardiology
International
- International Society of Nephrology (1985- )
- AMEE – International Society for Medical Education (2000- )
- Cochrane Collaboration (2010- )