1. Department of Public Health and Caring Sciences, Health Services Research Uppsala University Uppsala Sweden
2. Department of Emergency Care and Internal Medicine Uppsala University Hospital Uppsala Sweden
3. Department of Surgical Sciences Uppsala University Uppsala Sweden
4. Department of Surgery Uppsala University Hospital Uppsala Sweden
5. Department of Medical Sciences/Clinical Epidemiology, Department of Public Health and Caring Sciences/Health Services Research Uppsala University Uppsala Sweden
6. Adelaide Nursing School University of Adelaide Adelaide South Australia Australia