1. Paracelsus Medical University Salzburg, Institute of Sports Medicine, Prevention and Rehabilitation , Salzburg , Austria
2. Ludwig Boltzmann Institute for Digital Health and Prevention , Salzburg , Austria
3. REHA-Zentrum Salzburg, University Hospital Salzburg , Austria
4. Department of Cardiothoracic Surgery, RT, Rigshospitalet, Copenhagen University Hospital , Copenhagen , Denmark
5. Center on Ageing and Mobility, University Hospital and University of Zurich , Zurich , Switzerland
6. University College London, Comprehensive Clinical Trials Unit , London, Great Britain
7. Semmelweis University, Department of Anesthesiology and Intensive Therapy , Budapest , Hungary
8. Faculty of Health Sciences Brandenburg, University of Potsdam, Department of Rehabilitation Medicine , Potsdam , Germany
9. Klinik am See, Rehabilitation Centre for Internal Medicine , Rüdersdorf , Germany
10. Deutsches Herzzentrum der Charité, Department of Cardiothoracic and Vascular Surgery , Berlin , Germany
11. Charité- Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt Universität zu Berlin , Berlin , Germany
12. DZHK (German Center of Cardiovascular Research) , Partner Site Berlin, Berlin , Germany