1. From the Cardiovascular Division (H.S., E.F.L., S.D.S., J.J.V.M., M.A.P.) and Renal Division (A.K.S.), Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, and Department of Biostatistics (H.U.), Harvard School of Public Health, Boston, MA; Department of Medical Endocrinology, Rigshospitalet, University of Copenhagen, Coopenhagen, and Faculty of Health Science, Aarhus University, Aarhus, Denmark (H.H.P.); Division of Nephrology, Health Sciences Center, St. Johns,...