1. Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213;
2. Department of Epidemiology, University of Pittsburgh Graduate School of Public Health, Pittsburgh, PA 15213;
3. Department of Psychology, University of Pittsburgh, Pittsburgh, PA 15260;
4. Department of Neurosurgery, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213;
5. Department of Neurology, Inselspital, Bern University Hospital, and University of Bern, 3010 Bern, Switzerland;
6. Department of Obstetrics and Gynecology, University of Colorado School of Medicine, Denver, CO 80238