1. From the Channing Laboratory (J.P.F., E.G., M.D.H., S.S.T., W.C.W., G.C.C.), Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Mass; the Renal Division (J.P.F., G.C.C.), Brigham and Women’s Hospital, Boston, Mass; the Departments of Epidemiology (J.P.F., S.S.T., W.C.W., G.C.C.) and Nutrition (E.G., W.C.W.), Harvard School of Public Health, Boston, Mass; and the Department of Rheumatology and Institute for Physical Medicine (H.A.B.-F.), University Hospital, Zurich,...