1. Department of Community and Family Medicine, Geisel School of Medicine at Dartmouth , Hanover, NH , United States
2. Department of Medicine, University of California San Francisco , San Francisco, CA , United States
3. Department of Family and Preventive Medicine, University of Utah , Salt Lake City, UT , United States
4. Population Health Department, Dartmouth Hitchcock Medical Center , Lebanon, NH , United States
5. The Dartmouth Institute for Health Policy and Clinical Practice, Dartmouth College , Hanover, NH , United States