1. Columbia University Mailman School of Public Health New York New York
2. New York State Psychiatric Institute New York New York
3. Department of Psychology University of New Mexico Albuquerque New Mexico
4. Department of Psychiatry University of Pennsylvania Perelman School of Medicine Philadelphia Pennsylvania
5. Crescenz Veterans Affairs Medical Center Philadelphia Pennsylvania
6. Department of Addictive Behavior and Addiction Medicine Medical Faculty Mannheim Central Institute of Mental Health Heidelberg University Mannheim Germany
7. Department of Psychiatry Yale School of Medicine New Haven Connecticut
8. Department of Psychiatry and Behavioral Sciences Medical University of South Carolina Charleston South Carolina