1 Department of Cardiothoracic Surgery, Heart and Vascular Centre Maastricht University Medical Centre, Professor Debyelaan 25, 6229 HX Maastricht, The Netherlands.
2 Department of Physiology, Maastricht University, Maastricht, The Netherlands.
3 Cardiovascular Research Institute Maastricht (CARIM), Maastricht, The Netherlands.
4 Department of Cardiothoracic Surgery, Amphia Hospital, Breda, The Netherlands.
5 Department of Cardiology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.
6 Department of Cardiology, Maastricht University Medical Centre, Maastricht, The Netherlands.