1. From the Department of Internal Medicine I, University Hospital Würzburg, Germany (C.E.A., S.S., R.J., S.F., G.E.); Comprehensive Heart Failure Center, University of Würzburg, Germany (C.E.A., S.S., R.J., S.F., G.E.); Coordination Centre for Clinical Trials, University of Leipzig, Germany (G.G., M.L.); Institute of Psychotherapy and Medical Psychology; University of Würzburg, Germany (H.F.); and Institute for Medical Informatics, Statistics, and Epidemiology, University of Leipzig, Germany (M.L.).