1. From the Department of Internal Medicine I (M.N., S.S., F.B., G.E., C.W., F.W.), Comprehensive Heart Failure Center (M.N., S.S., F.B., M.B., G.E., C.W., F.W.), Institute of Radiology (M.B.), University of Würzburg, Würzburg, Germany; The Albrecht-Kossel Institute for Neuroregeneration, University of Rostock, Rostock, Germany (A.R.); and ICREA-Universitat Pompeu Fabra, Barcelona, Spain (B.B.).