1. Harvard Kennedy School; Department of Health Care Policy, Harvard Medical School; Department of Health Policy and Management, Harvard T. H. Chan School of Public Health; NBER
2. Department of Health Care Policy, Harvard Medical School
3. Mongan Institute Health Policy Center, Massachusetts General Hospital
4. Mongan Institute Health Policy Center, Massachusetts General Hospital; Department of Medicine, Harvard Medical School; Department of Health Care Policy, Harvard Medical School
5. Department of Health Care Policy, Harvard Medical School; NBER