1. Department of Anesthesiology and Intensive Care; Vrinnevi Hospital; Norrköping Sweden
2. Musculoskeletal Biology, Institute of Ageing & Chronic Disease; University of Liverpool; Liverpool UK
3. Department of Thoracic and Vascular Surgery and Department of Medical and Health Sciences; Linköping University; Linköping Sweden
4. Anesthetics, Operations and Speciality Surgery Centre and Department of Medical and Health Sciences, Division of Nursing Sciences; Linköping University; Linköping Sweden