1. Duke University School of Medicine, Durham, North Carolina
2. Margolis Center for Health Policy, Duke University, Durham, North Carolina
3. Fuqua School of Business, Duke University, Durham, North Carolina
4. Sanford School of Public Policy, Duke University, Durham, North Carolina
5. Department of Population Health Sciences, Duke University School of Medicine, Durham, North Carolina
6. Department of Oncology, St Jude Children’s Research Hospital, Memphis, Tennessee
7. Department of Pediatrics, Duke University School of Medicine, Durham, North Carolina