1. Department of Physiology and Pharmacology, Karolinska Institute, Stockholm, Sweden
2. Department of Surgery and Molecular Medicine, Karolinska Institute, Stockholm, Sweden
3. Research Group of Surgery, Anesthesiology and Intensive Care Medicine, Medical Research Center Oulu, Oulu University Hospital, University of Oulu, Oulu, Finland
4. Department of Anesthesiology, Kuopio University Hospital, Kuopio, Finland
5. Department of Anesthesiology, Turku University Hospital, Turku, Finland
6. Department of Anesthesiology, Norrland’s University Hospital, Umeå, Sweden
7. Department of Cardiothoracic Surgery , Trondheim University Hospital, Trondheim, Norway
8. Department of Anesthesiology, Örebro University Hospital, Örebro, Sweden
9. Department of Anesthesiology, Tampere University Hospital, Tampere, Finland
10. Department of Anesthesiology, Skånes Universitetssjukhus, Lund, Sweden
11. Department of Anesthesiology, Helsinki University Hospital, Helsinki, Finland