From the Department of Anesthesiology, Onze-Lieve-Vrouw Hospital, Aalst (JFAH), Department of Basic and Applied Medical Sciences, Ghent University, Ghent (JFAH, SDH), Department of Anesthesiology, University Hospital and Department of Cardiovascular Sciences, Catholic University Leuven, Leuven, Belgium (JFAH), Department of Chemistry, University of Copenhagen, Copenhagen, Denmark (OJN), Department of Anesthesiology and Perioperative Medicine, Ghent University Hospital, Ghent, Belgium (SDH) and Department of Anesthesiology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA (AMDW)

Correspondence to Jan F.A. Hendrickx, Department of Anesthesiology, OLV Hospital, Moorselbaan 164, 9300, Aalst, Belgium Tel: +32 53 724708; e-mail: [email protected]

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