1. Division of General Internal Medicine and Health Services Research, Department of Medicine, David Geffen School of Medicine University of California Los Angeles California USA
2. Center for Health Advancement Fielding School of Public Health, University of California Los Angeles Los Angeles California USA
3. Center for the Study of Racism Social Justice, and Health Los Angeles Los Angeles California USA
4. HSR&D Center for the Study of Healthcare Innovation, Implementation & Policy VA Greater Los Angeles Healthcare System Los Angeles California USA
5. UnitedHealthcare Minnetonka Minnesota USA
6. Fielding School of Public Health University of California Los Angeles California USA