1 Division of General Internal Medicine & Health Services Research, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, USA.
2 Department of Health Policy and Management, Fielding School of Public Health, University of California Los Angeles, Los Angeles, California, USA.
3 Center for the Study of Healthcare Innovation, Implementation, and Policy, Veteran Affairs Greater Los Angeles Healthcare System, Los Angeles, California, USA.
4 Office of Equity, Diversity, Inclusion, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, USA.