1. Department of Orthopedic Surgery, Kristiansund Hospital, Kristiansund, Norway
2. Institute of Neuromedicine and Movement Science, Faculty of Medicine and Health Services, NTNU, Trondheim, Norway
3. Department of Radiology and Nuclear Medicine, St. Olav’s Hospital, Trondheim University Hospital, Trondheim, Norway
4. Department of Orthopedic Surgery, Trondheim University Hospital, Trondheim, Norway
5. Institute of Circulation and Medical Imaging, Faculty of Medicine and Health Services, NTNU, Trondheim, Norway