[1
]Laboratory of Epidemiology and Biometry, Division of Intramural Clinical and Biological
Research, National Institute on Alcohol Abuse and Alcoholism, National Institutes
of Health, Rockville, Maryland
[2
]Department of Psychiatry, College of Physicians and Surgeons, Mailman School of Public
Health, Columbia University, New York, New York3New York State Psychiatric Institute,
New York