1. From Medizinische Klinik und Poliklinik I, Klinikum Großhadern, and DZHK (German Center for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany (R.H., S.Z., W.H., E.B., C.K.); Institute for Cardiovascular Regeneration, Goethe University Frankfurt, Frankfurt, Germany (D.P., A.F., Q.-F.X., S.D.); miRagen Therapeutics, Boulder, CO (E.v.R.); Internal Medicine III, Cardiology, Goethe University Frankfurt, Frankfurt, Germany (A.M.Z.); and German Center for Cardiovascular Research...