1. Department of Surgery, Innlandet Hospital Trust, Gjøvik, Norway
2. Unit for Applied Clinical Research, Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway
3. Regional Centre for Child and Youth Mental Health and Child Welfare, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway
4. Department of Research, Innlandet Hospital Trust, Brumunddal, Norway