1. Department of Health Policy and Management, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
2. Department of Radiation Oncology, Brigham and Women’s Hospital, Dana-Farber Cancer Institute, Boston, Massachusetts
3. Division of General Internal Medicine, Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
4. Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
5. School of Public Health, Brown University, Providence, Rhode Island
6. Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts