1. Laboratory of Medical Biochemistry and Clinical Analysis; Faculty of Pharmaceutical Sciences; Ghent University; Ghent Belgium
2. Department of Anesthesiology, University Medical Center Groningen; University of Groningen; Groningen The Netherlands
3. Department of Anesthesia; Ghent University; Ghent Belgium
4. Heymans Institute of Pharmacology, Ghent University; Ghent Belgium
5. Department Endocrinology and Metabolic Diseases; Ghent University Hospital; Ghent Belgium
6. Department of Critical Care Medicine; Ghent University Hospital; Ghent Belgium