1. Cardiac Pacing Unit, Department of Cardiology, University Hospital of Geneva, Rue Gabrielle-Perret-Gentil 4, 1211 Geneva, Switzerland
2. Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Augustenburger Pl. 1, 13353 Berlin, Germany
3. German Center of Cardiovascular Research (DZHK), Partner Site Berlin, Berlin, Germany
4. Steinbeis University Berlin, Institute (STI) of Cardiovascular Perfusion, Berlin, Germany