Affiliation: | 1. Department of Anaesthesia and Intensive Care, Västmanland Hospital Köping, Köping, Sweden;2. Department of Anaesthesia and Intensive Care, Örebro University Hospital, School of Medical Sciences, Örebro University, Örebro, Sweden;3. Department of Anaesthesia and Intensive Care, Västmanland Hospital Köping, Köping, Sweden Region Västmanland—Uppsala University, Centre for Clinical Research, Västmanland Hospital Västerås, Västerås, Sweden |