1. a Department of Public Policy , Duke University
2. b Department of Community and Family Medicine , Duke University
3. c Duke University
4. d Center for Health Policy, Duke University
5. e Department of Psychiatry and Behavioral Sciences , Duke University Medical Center
6. f Division of Infectious Diseases and International Health, Department of Medicine , Duke University Medical Center
7. g Division of Infectious Diseases , School of Medicine, University of North Carolina at Chapel Hill