1Division of General Internal Medicine, Cedars-Sinai Medical Center, Los Angeles, California, USA.
2Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California, USA.
3Multicampus Program in Geriatric Medicine and Gerontology, David Geffen School of Medicine at UCLA, Los Angeles, California, USA.
4Division of General Internal Medicine and Health Services Research, David Geffen School of Medicine at UCLA, Los Angeles, California, USA.
5Greater Los Angeles Veterans Affairs Healthcare System, David Geffen School of Medicine at UCLA, Los Angeles, California, USA.
6Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts, USA.
7Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.
8Doximity, San Francisco, California, USA.
9Department of Health Policy and Management, UCLA Fielding School of Public Health, Los Angeles, California, USA.