1. Department of Intensive Care Medicine, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
2. Department of Intensive Care Medicine, Erasmus Medical Centre, Rotterdam, The Netherlands
3. Department of Cardiology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
4. Department of Cardiothoracic Surgery, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
5. Cardiovascular and Respiratory Physiology, TechMed Centre, University of Twente, Enschede, The Netherlands