1. Department of Intensive Care Medicine, Haga Teaching Hospital, The Hague, The Netherlands
2. Department of Intensive Care Medicine, University Medical Center Utrecht, Utrecht, The Netherlands
3. Department of Anaesthesia, Westmead Hospital, Westmead NSW, Australia
4. Department of Anaesthesiology, Translational Health Research Institute, Western Sydney University School of Medicine, Westmead, NSW, Australia
5. Department of Intensive Care Medicine, Antonius Ziekenhuis, Sneek