Affiliation: | 1.Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA ;2.Los Angeles County + University of Southern California (LAC+USC) Medical Center, Los Angeles, CA, USA ;3.Division of Rheumatology, Department of Medicine, The Johns Hopkins University School of Medicine, Johns Hopkins University, Baltimore, MD, USA ;4.Division of Rheumatology, Department of Medicine, Grossman School of Medicine, New York University, New York, NY, USA ;5.Division of Rheumatology, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA ; |