1. Department of Cardiothoracic Surgery, Maastricht University Medical Center (MUMC+) , P. Debyelaan 25, 6629HX Maastricht, Limburg , The Netherlands
2. Cardiovascular Research Institute Maastricht (CARIM), Maastricht University , Universiteitssingel 50, Maastricht, PO Box 616, 6200 MD, Maastricht, The Netherlands
3. Department of Clinical Epidemiology and Medical Technology Assessment, Maastricht University Medical Center (MUMC+) , Maastricht , The Netherlands
4. Department of Cardiothoracic Surgery, Catharina Hospital Eindhoven , Eindhoven , The Netherlands