- American Academy of Dermatology
- American Academy of Neurology
- American Association of Clinical Endocrinologists
- American Cancer Society
- American College of Chest Physicians
- American College of Emergency Physicians
- American College of Gastroenterology
- American College of Physicians
- American College of Rheumatology
- American College of Surgeons
- American Diabetes Association (ADA)
- American Heart Association (AHA)
- American Geriatrics Society
- American Gynecological & Obstetric Society
- Arthritis Foundation (USA)
- American Pediatric Society
- American Psychiatric Association
- American Society of Clinical Oncology
- American Society of Microbiologists
- Brain Trauma Foundation
- British Society of Gerontology
- Clinical Immunology Society
- European Society of Cardiology
- European Society of Endocrinology
- Infectious Diseases Society of America
- International AIDS Society
- International Society of Hypertension
- International Society of Internal Medicine
- International Society of Nephrology
- National Cancer Institute
- National Heart, Lung, and Blood Institute (NHLBI)
- National Osteoporosis Foundation
- National Institute of Allergy and Infectious Diseases
- Society for Academic Emergency Medicine
- Sociedad Española de Medicina Interna
- Sociedad Española de Medicina Intensiva y Crítica (SEMICYUC)
- Sociedad Latinoamericana de Medicina Interna (SOLAMI)
- Society of Critical Care Medicine
- The Gerontological Society of America
