1. Department of Primary and Community Care, Radboud University Medical Center, Radboud Institute for Health Science, Nijmegen, the Netherlands
2. Department of Intensive Care, Radboud University Medical Center, Radboud Institute for Health Science, Nijmegen, the Netherlands
3. Radboud University Medical Center, Radboud Institute for Health Sciences, Scientific Institute for Quality of Care, Nijmegen, the Netherlands
4. Department of Intensive Care, Canisius Wilhelmina Ziekenhuis, Nijmegen, the Netherlands