1. 1st Department of Cardiology, AHEPA University Hospital, School of Medicine Aristotle University of Thessaloniki Thessaloniki 54636 Greece
2. Department of Cardiology III—Adult Congenital and Valvular Heart Disease Center University Hospital Muenster, University of Muenster Albert‐Schweitzer‐Campus 1 48149 Münster Germany
3. Cardiovascular Research Institute Basel and Department of Cardiology, University Hospital Basel University of Basel Basel Switzerland
4. Division of Cardiology, Department of Medicine Stony Brook University, Stony Brook University Medical Center, Health Sciences Center Stony Brook NY 11794‐8167 USA
5. Division of Cardiology University of Patras Patra Greece