1. Department of Anaesthesiology and Intensive Care; Örebro University Hospital and School of Medical Sciences; Örebro University; Örebro Sweden
2. Department of Anesthesiology and Intensive Care; County Council of Östergötland; Linköping Sweden
3. Clinical Epidemiology and Biostatistics; School of Medical Sciences; Örebro University; Örebro Sweden
4. Cell and Experimental Pathology; Department of Translational Medicine; Lund University; Malmö Sweden
5. Department of Surgery; Örebro University Hospital and School of Medical Sciences; Örebro University; Örebro Sweden
6. Department of Clinical and Experimental Medicine; Linköping University; Linköping Sweden
7. Department of Surgery; Linköping University Hospital; Linköping Sweden
8. Karolinska Institutet and Karolinska University Hospital; Stockholm Sweden