Affiliation: | 1.Departments of Medicine, Keck School of Medicine, University of Southern California, and Los Angeles County + University of Southern California (LAC+USC) Medical Center, Los Angeles, CA, USA ;2.Division of Rheumatology, Departments of Medicine, Keck School of Medicine, University of Southern California, and Los Angeles County + University of Southern California (LAC+USC) Medical Center, Los Angeles, CA, USA ;3.Division of Street Medicine, Department of Family Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA ; |