| Bridget F. Grant, Ph.D., Ph.D., is the chief of the Biometry Branch, Division of Biometry and Epidemiology, NIAAA, Bethesda, Maryland. Thomas C. Harford, Ph.D., is the director of the Division of Biometry and Epidemiology, NIAAA. Deborah A. Dawson, Ph.D., is a mathematical statistician (biomedical), Division of Biometry and Epidemiology, NIAAA. Patricia Chou, Ph.D., is a mathematical statistician (biomedical), Division of Biometry and Epidemiology, NIAAA. Mary Dufour, M.D., M.P.H., is the acting deputy director of NIAAA. Roger Pickering, M.S., is a computer specialist, Division of Biometry and Epidemiology, NIAAA. |
| Division of Intramural Clinical and Biological Research, Department of Health and Human Services, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD 20892-9304, USA. bgrant@willco.niaaa.nih.gov |
| Epidemiology and Biometry Branch, National Institute on Alcohol Abuse and Alcoholism, Rockville, Maryland. |
| From the Laboratory of Epidemiology and Biometry, Division of Intramural Clinical and Biological Research, National Institute on Alcohol Abuse and Alcoholism, Rockville, Md.; the Department of Epidemiology, Mailman School of Public Health, and the Department of Psychiatry, College of Physicians and Surgeons, Columbia University, New York; and the New York State Psychiatric Institute, New York. |
| Laboratory of Epidemiology and Biometry, Division of Intramural Clinical and Biological Research, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD 20892-9304, USA. bgrant@willco.niaaa.nih.gov |
| Laboratory of Epidemiology and Biometry, Division of Intramural Clinical and Biological Research, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA. bgrant@willco.niaaa.nih.gov |
| 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. |
| Laboratory of Epidemiology and Biometry, National Institute on Alcohol Abuse and Alcoholism, Bethesda, Maryland. |
| Laboratory of Epidemiology and Biometry, National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD 20892, USA. |
| Laboratory of Epidemiology and Biometry,National Institute on Alcohol Abuse and Alcoholism,Bethesda, MD,USA. |
| Laboratory of Epidemiology and Biometry, National Institute on Alcohol Abuse and Alcoholism, Rockville, Maryland, USA. |