1. Department of Emergency Medicine, Alpert Medical School of Brown University, Providence, Rhode Island.
2. Department of Medicine, Alpert Medical School of Brown University, Providence, Rhode Island.
3. Department of Family Medicine, College of Medicine, University of Illinois at Chicago, Chicago, Illinois.
4. Department of Medicine, Texas Tech University Health Sciences Center, Laura W. Bush Institute for Women's Health, Dallas, Texas.
5. Departments of Psychiatry and Internal Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania.
6. Department of Medicine, Georgetown University, Washington, District of Columbia.
7. Department of Medicine, University of New Mexico, Albuquerque, New Mexico.
8. Department of Obstetrics and Gynecology, Western Michigan University Homer Stryker School of Medicine, Portage, Michigan.