1. Sanford School of Public Policy, Duke University, Durham, NC, US
2. Duke Cancer Institute, Durham, NC, US; Duke Fuqua School of Business, Duke University, Durham, NC, US
3. Sanford School of Public Policy, Duke University, Durham, NC, US; Margolis Center for Health Policy, Duke University, Durham, NC, US; Duke Clinical Research Institute, Durham, NC, US
4. Department of Medicine, Division of Cardiology, Duke University Medical Center, Durham, NC, US