| Affiliation: | 1. Department of Anaesthesiology, Hiller?d Hospital, , Hiller?d, Denmark;2. Department of Anaesthesiology and Intensive Care, Sahlgrenska University Hospital, , G?teborg, Sweden;3. Department of Anaesthesiology, Oulu University Hospital, , Oulu, Finland;4. Department of Anaesthesia and Intensive Care Medicine, Landspitali University Hospital, University of Iceland, , Reykjavik, Iceland;5. Department of Cirkulation and Medical Imaging, Norwegian University of Science and Technology, , Trondheim, Norway |
