1. Pharmacy Administration, School of Pharmacy, and Clinical Assistant Professor, Health Policy and Administration, School of Public Health, University of North Carolina;
2. Department of Epidemiology, School of Public Health, University of North Carolina; Associate Professor, Universitat Autonoma de Barcelona; and Director, Clinical Epidemiology Unit, Institut Municipal d'lnvestigacio Medica, Barcelona, Spain;
3. Division of Epidemiology, Information, and Surveillance, Burroughs Wellcome Company; Clinical Professor, Department of Family Medicine, School of Medicine, and Adjunct Professor, Department of Epidemiology, School of Public Health, and Department of Pharmacy Administration, School of Pharmacy, University of North Carolina.