Affiliation: | 1. Heart and Lung Center, Helsinki University Hospital, Helsinki, Finland;2. Heart Center, Turku University Hospital, and University of Turku, Turku, Finland;3. Heart Center, Kuopio University Hospital, Kuopio, Finland;4. Heart Hospital, Tampere University Hospital and Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland;5. Department of Internal Medicine, Oulu University Hospital, Oulu, Finland;6. Research Unit of Surgery, Anesthesiology and Critical Care, University of Oulu, Oulu, Finland;7. Heart and Lung Center, Helsinki University Hospital, Helsinki, Finland Research Unit of Surgery, Anesthesiology and Critical Care, University of Oulu, Oulu, Finland |