1. Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Sciences, NTNU—Norwegian University of Science and Technology , Trondheim , Norway
2. Department of Rehabilitation Science and Health Technology, Oslo Metropolitan University , Oslo , Norway
3. Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, NTNU—Norwegian University of Science and Technology , Trondheim , Norway
4. Department of Orthopaedic Surgery, St. Olavs Hospital, Trondheim University Hospital , Trondheim , Norway