1. Departments of Psychiatry & Behavioral Neurosciences and Obstetrics & Gynecology, McMaster University, and Women's Health Concerns Clinic, St. Joseph's Hospital, Hamilton, Ontario, Canada.
2. Department of Psychiatry and Human Behavior, Brown Medical School, and Women's Behavioral Health, Women and Infants Hospital, Providence, Rhode Island.
3. Perinatal and Reproductive Psychiatry, Clinical Research Program, Massachusetts General Hospital, Boston, Massachusetts.
4. Department of Psychiatry, College of Physicians & Surgeons, Columbia University, and Department of Research Assessment & Training, New York State Psychiatric Institute, New York, New York.
5. Departments of Psychiatry and Obstetrics/Gynecology, Virginia Commonwealth University, Richmond, Virginia.
6. Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, Georgia.
7. Department of Internal Medicine, Emory University School of Medicine, Atlanta, Georgia.
8. Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut. This work was supported by an educational grant-in-aid from GlaxoSmithKline, Inc.