1. From the Divisions of Allergy and Clinical Immunology and of Clinical Pharmacology (S.A.A.) and the Department of Medicine (S.M.O.), Johns Hopkins University, and the Johns Hopkins Center for Health Equity (S.M.O.) — both in Baltimore; and the Department of Medicine, Brigham and Women’s Hospital (T.D.S.), Harvard Medical School (T.D.S., K.G.B.), and the Division of Rheumatology, Allergy, and Immunology (C.M.B., K.G.B.), and the Edward P. Lawrence Center for Quality and Safety (K.G.B.), Massachusetts...