From the Division of Cardiology, Department of Medicine III (S.F., S.D.R., H.F., T.S., T.R., M.M.-A., A.M.Z.); and Institute for Cardiovascular Regeneration, Center of Molecular Medicine (A.F., A.B., S.D.), Goethe University Frankfurt; and Department of Cardiology (C.L., M.W., C.W.H.), Kerckhoff Heart Center, Bad Nauheim, Germany. (At 2010-09-03)