1. Division of General Internal Medicine, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago; and Center for Primary Care Innovation, Institute for Public Health and Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois (S.D.P., J.A.L.)
2. Division of Biostatistics, Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois (L.C.P.)
3. Division of General Internal Medicine, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois (J.Y.L., T.A.R., Y.A.P., T.B.)
4. Yale School of Medicine, New Haven, Connecticut (D.M.)
5. Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, California (J.N.D.)
6. UCLA Anderson School of Management, UCLA Geffen School of Medicine, Los Angeles, California (N.J.G., C.R.F.)
7. Information Services, Northwestern Memorial HealthCare, Chicago, Illinois (R.C.).