1. Division of Epidemiology, Department of Public Health Sciences, School of Medicine, University of California, Davis,
2. Center for Health and the Environment, University of California, Davis
3. Department of Medicine, University of Massachusetts Medical School, Worcester
4. Reproductive Sciences Program, University of Michigan, Ann Arbor
5. Perinatal and Reproductive Psychiatry Program, Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, Cambridge, Massachusetts
6. Division of Geriatrics, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles