| May 18 - 23 San Francisco, CA | American Thoracic Society (ATS): International Conference |
| May 19 - 24 Atlanta, GA | American Urological Association (AUA): Annual Meeting |
| May 19 - 23 Stockholm, | European Calcified Tissue Society (ECTS): Annual Congress |
| May 20 - 23 Brisbane, | Australasian College of Dermatologists: Annual Scientific Meeting |
| May 20 - 23 San Antonio, TX | American Pediatric Surgical Association (APSA): Annual Meeting |
| May 20 - 23 Washington, DC | American College of Emergency Physicians (ACEP): Leadership & Advocacy Conference |
| May 21 - 23 Nice, | 12th International Review of Bipolar Disorders (IRBD 12) |
| May 21 - 25 Sarasota, FL | American Medical Seminars: Cardiology Update in Primary Care |
| May 22 - 25 Lisbon, | 21st European Stroke Conference |
| May 23 - 27 Philadelphia, PA | American Association of Clinical Endocrinologists (AACE): Annual Meeting and Clinical Congress |