| Affiliation: | 1. Department of Anaesthesia and Intensive Care Medicine, Helsinki University Hospital, , Helsinki, Finland;2. Institute of Clinical Medicine, University of Helsinki, , Helsinki, Finland;3. Department of Intensive Care Medicine, Tampere University Hospital, , Tampere, Finland;4. Department of Anaesthesia and Intensive Care Medicine, Kymenlaakso Central Hospital, , Kotka, Finland;5. Department of Anaesthesia and Intensive Care Medicine, Lapland Central Hospital, , Rovaniemi, Finland;6. Department of Anaesthesia and Intensive Care Medicine, Central Hospital of Central Finland, , Jyv?skyl?, Finland |
