1. Department of Psychiatry, Columbia University College of Physicians and Surgeons, New York, New York
2. New York State Psychiatric Institute, New York
3. Department of Psychiatry, Perelman School of Medicine of the University of Pennsylvania, Philadelphia
4. Department of Veterans Affairs, Rocky Mountain Mental Illness, Research, Education and Clinical Care, Denver, Colorado
5. University of Colorado, Anschutz Medical Campus, Aurora
6. Department of Psychiatry, University of South Florida, Tampa
7. Department of Psychiatry, University of Rochester, Rochester, New York
8. Department of Veterans Affairs, Veterans Integrated Services Networks 2 Center of Excellence for Suicide Prevention, Rochester, New York