1. Comprehensive Heart Failure Center and Renal Division, University of Wuerzburg and Hospital, Germany (C.W.)
2. Biostatistics Center, George Washington University, Rockville, MD (J.M.L.)
3. Section of Endocrinology, Yale University School of Medicine, New Haven, CT (S.E.I.)
4. St. Michael’s Hospital, Division of Cardiology, University of Toronto, Canada (D.F.)
5. Boehringer Ingelheim Pharma GmbH & Co. KG, Ingelheim, Germany (M.M., J.G., H.J.W., U.C.B., M.v.E.)
6. Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Canada (B.Z.) and Division of Endocrinology, University of Toronto, Canada (B.Z.).