1. Departments of Medicine and Health Services Research, Cedars-Sinai Medical Center and the UCLA School of Medicine, Los Angeles, California.
2. Cerner LifeSciences, Beverly Hills, California.
3. Bayer Schering Pharma, Berlin, Germany.
4. Bayer Healthcare, Montville, New Jersey.
5. Departments of Psychiatry, Obstetrics, Gynecology and Reproductive Sciences, and Epidemiology and Public Health, Yale School of Medicine, New Haven, Connecticut.