1. Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany (H.L., L.C.E., M.E.G., R.H., N.B., S.G., T.B.).
2. German Centre for Cardiovascular Research (DZHK), Frankfurt am Main, Germany (H.L., J.P.).
3. Department of Cardiac Surgery, Kerckhoff Heart Center, Bad Nauheim, Germany (P.G.).
4. Schüchtermann-Klinik, Bad Rothenfelde, Germany (N.D., J.P.).