1. Department of Medicine, Harvard Medical School, Boston, Massachusetts
2. Division of General Internal Medicine and Primary Care, Brigham and Women’s Hospital, Boston, Massachusetts
3. Partners HealthCare, Boston, Massachusetts
4. The Dartmouth Institute for Health Policy and Clinical Practice, Geisel School of Medicine at Dartmouth, Lebanon, New Hampshire
5. Department of Biostatistics, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
6. Division of Geriatric and Palliative Medicine, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan
7. Department of Health Care Policy and Management, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
8. Norris Cotton Cancer Center, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire