1 Dept of Anaesthesia and Intensive Care, Karolinska University Hospital, Huddinge, Sweden; Dept of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Huddinge, Sweden. Electronic address: [email protected].
2 Dept of Anaesthesia and Intensive Care, Karolinska University Hospital, Huddinge, Sweden; Dept of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Huddinge, Sweden.
3 Dept of Surgery, Örebro University Hospital, Örebro, Sweden.
4 Dept of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Huddinge, Sweden; Division of Surgery, Karolinska University Hospital, Huddinge, Sweden.