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