1. Division of General Internal Medicine and Health Services Research, David Geffen School of Medicine at UCLA, Los Angeles, California, and Department of Public Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan (A.M.)
2. Department of Health Care Policy, Harvard Medical School, Boston, Department of Medicine, Massachusetts General Hospital, Boston, and National Bureau of Economic Research, Cambridge, Massachusetts (A.B.J.)
3. Doximity, San Francisco, California (N.G.)
4. Division of General Internal Medicine and Health Services Research, David Geffen School of Medicine at UCLA, and Department of Health Policy and Management, UCLA Fielding School of Public Health, Los Angeles, California (Y.T.).