1. Department of Cardiovascular Surgery, University Hospital Schleswig-Holstein, Kiel, Germany.
2. DZHK (German Center for Cardiovascular Research), Partner-Site Hamburg/Kiel/Lübeck, Germany.
3. Department of Congenital Heart Disease and Pediatric Cardiology, University Hospital Schleswig-Holstein, Kiel, Germany.
4. Department of Cardiac and Thoracic Vascular Surgery, University Heart Center Lübeck, University Hospital Schleswig-Holstein, Lübeck, Germany.