1. Section Nursing Science, Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, the Netherlands
2. Department of Intensive Care, Ikazia Hospital, Rotterdam, the Netherlands
3. Department of Intensive Care, Erasmus University Medical Center, Rotterdam, the Netherlands
4. Department of Anesthesiology, Erasmus University Medical Center, Rotterdam, the Netherlands
5. Department of Anesthesiology and Intensive Care, Bravis Hospital, Bergen op Zoom, the Netherlands