1 Suzanne Broens, MD, PhD, Department of Anesthesiology, The Netherlands Cancer Institute-Antoni van Leeuwenhoek Hospital, Amsterdam, the Netherlands; Frederique H. van Duijnhoven, MD, PhD, Department of Surgical Oncology, The Netherlands Cancer Institute-Antoni van Leeuwenhoek Hospital, Amsterdam, the Netherlands; Markus W. Hollmann, MD, PhD, Department of Anaesthesiology, Amsterdam University Medical Centers, Location "AMC," Amsterdam, the Netherlands, Department of Intensive Care & Laboratory of Experimental Intensive Care and Anesthesiology (L·E·I·C·A), Amsterdam, the Netherlands; and Sabrine N.T. Hemmes, MD, PhD, Department of Anesthesiology, The Netherlands Cancer Institute-Antoni van Leeuwenhoek Hospital, Amsterdam, the Netherlands.