1. 1 Resident, Department of Anesthesiology, OLV Hospital, Aalst, Belgium; Department of Anesthesiology, UZLeuven, Leuven, Belgium & Department of Cardiovascular Sciences, KULeuven, Leuven, Belgium
2. 2 Professor Emeritus, Department of Anesthesiology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, U.S.A.
3. 3 Professor, Department of Anesthesiology, UZLeuven, Leuven, Belgium & Department of Cardiovascular Sciences, KULeuven, Leuven, Belgium
4. 4 Professor of Anesthesiology and Perioperative Medicine, Department of Basic and Applied Medical Sciences, Ghent University, Ghent, Belgium; Professor, Department of Anesthesiology, UZLeuven, Leuven, Belgium & Department of Cardiovascular Sciences, KULeuven, Leuven, Belgium; Staff anesthesiologist, Department of Anesthesiology, OLV Hospital, Aalst, Belgium