1. From the Department of Cardiology and Angiology, Medical School Hannover, Hannover, Germany (T.K., M.F., A.A., S.G., A.G., G.K., M.N., H.D.); Institute of Physiology (R.M.), Institute of Pharmacology and Toxicology (K.F.), and Medizinische University Poliklinik (C.G.), University of Bonn, Bonn, Germany; and Institute de Génétique et de Biologie Moléculaire et Cellulaire, CNRS/INSERM/ULP/, Collège de France, Illkirch, CU de Strasbourg, France (A.K., P.C.).