1. Department of Internal Medicine I, Ulm University Hospital, Ulm, Germany
2. Division of Sports- and Rehabilitation Medicine, Ulm University Hospital, Ulm, Germany
3. Department of Internal Medicine II, Ulm University Hospital, Ulm, Germany
4. German Heart Centre Munich, Technical University of Munich, Munich, Germany
5. DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany
6. Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
7. Imperial College London, London, UK