1. Department of Anaesthesiology, Intensive Care, Emergency Medicine and Pain Therapy, Ziekenhuis Oost-Limburg (ZOL), Genk, Belgium
2. Department of Anaesthesiology & Pain Treatment, Maastricht University Medical Centre (MUMC+), Maastricht, The Netherlands
3. Central Diagnostic Laboratory, Maastricht University Medical Centre (MUMC+), Maastricht, The Netherlands
4. Department of Intensive Care, Maastricht University Medical Centre (MUMC+), Maastricht, The Netherlands