1. Division of Child and Adolescent Psychiatry College of Physicians & Surgeons Columbia University New York New York USA
2. Department of Epidemiology School of Public Health New York New York USA
3. New York State Psychiatric Institute New York New York USA
4. Division of Child and Adolescent Psychiatry New York State Psychiatric Institute New York New York USA
5. Department of Psychiatry College of Physicians & Surgeons New York New York USA
6. Department of Biostatistics School of Public Health New York New York USA
7. National Suicide Prevention Lifeline New York New York USA
8. Division of Prevention, Traumatic Stress, and Special Programs Center for Mental Health Services (CMHS) Substance Abuse and Mental Health Services Administration Rockville Maryland USA