Department of Cardiology,Medical University Hospital Heidelberg,Heidelberg D-69120,Germany;
DZHK(German Centre for Cardiovascular Research),Partner Site Heidelberg/Mannheim,University of Heidelberg,Heidelberg D-69120,Germany;
HCR(Heidelberg Center for Heart Rhythm Disorders),Department of Cardiology,Medical University Hospital Heidelberg,Heidelberg D-69120,Germany;
Department of Plastic Surgery,ETHIANUM Klinik Heidelberg,Heidelberg D-69115,Germany;
Department of Molecular Neurobiology,Max-Planck-Institute for Medical Research,Heidelberg D-69120,Germany;
Biological cardiac pacemaker; Mesenchymal stem cells; Differentiation; Animal model; Cell transplantation; Stem cell therapy;