1 PhD Candidate, PhD Program in Health Policy, Harvard University, United States. Electronic address: afryer@hbs.edu.
2 RAND Corporation, Division of General Medicine, Brigham and Women's Hospital, Department of Medicine, Harvard Medical School, United States.
3 Department of Medicine, Massachusetts General Hospital, Harvard Medical School, United States.
4 Department of Health Policy and Management, Harvard T.H. Chan School of Public Health, Department of Medicine, Harvard Medical School, Mongan Institute for Health Policy, Massachusetts General Hospital, United States. Electronic address: ssinger@hsph.harvard.edu.