Affiliation: | a Department of Thoracic and Cardiovascular Surgery, Rikshospitalet University Hospital, Oslo, Norway b Department of Anaesthesiology, Rikshospitalet University Hospital, Oslo, Norway c Department of Radiology, Rikshospitalet University Hospital, Oslo, Norway d Department of Psychosomatic and Behavioural Medicine, Rikshospitalet University Hospital, Oslo, Norway e Department of Neurology, Rikshospitalet University Hospital, Oslo, Norway f Research Institute of Internal Medicine, Rikshospitalet University Hospital, Oslo, Norway g Institute of Immunology, Rikshospitalet University Hospital, Oslo, Norway h Institute of Psychology, Rikshospitalet University Hospital, Oslo, Norway |