1. Department of Psychiatry, Harvard Medical School, McLean Hospital, Belmont, Massachusetts
2. Department of Psychiatry, New York State Psychiatric Institute & Department of Psychiatry, College of Physicians and Surgeons of Columbia University, New York
3. Department of Psychiatry, Harvard Medical School, Massachusetts General Hospital, Boston
4. Department of Psychiatry, Stony Brook University, Stony Brook, New York
5. Department of Psychiatry, University of Texas, Southwestern Medical Center, Dallas
6. Department of Psychiatry, University of Michigan, Ann Arbor
7. Department of Psychiatry, University of Pennsylvania, Perelman School of Medicine, Philadelphia