Affiliation: | a Department of Cardiology, Division of Cardiovascular Prevention, Rehabilitation and Sports Cardiology, University of Bern, Bern, Switzerland b Department of Cardiology, Division of Orthopaedic and Trauma Surgery, University of Erlangen, Nuremberg, Germany c Department of Surgery, Division of Orthopaedic and Trauma Surgery, University of Erlangen, Nuremberg, Germany |