1. Chief, Outpatient Studies Section, Biometrics Branch, National Institute of Mental Health, Bethesda, Md., and Lecturer, Department of Epidemiology, Johns Hopkins University School of Hygiene and Public Health, Baltimore.
2. Consultant, Alcoholism Program Services, Research Utilization Branch, National Institute of Mental Health.
3. Analytical Statistician, Outpatient Studies Section, Biometrics Branch, National Institute of Mental Health.