1. Department of Psychiatry and Behavioral Sciences Johns Hopkins University School of Medicine Baltimore Maryland
2. National Institute on Alcohol Abuse and Alcoholism Rockville Maryland
3. New York State Psychiatric Institute (NYSPI) Columbia University New York New York
4. Division of Research Kaiser Permanente Oakland California
5. Department of Psychiatry Harvard Medical School Boston Massachusetts
6. Department of Psychiatry, Neuroscience and Child Study Yale University School of Medicine New Haven Connecticut