Affiliation: | 2. Department of Orthopaedic Surgery, Aalborg University Hospital, Hobrovej 18-22, 9000, Aalborg, Denmark;3. Unit of Clinical Biostatistics, Aalborg University Hospital, Hobrovej 18-22, 9000, Aalborg, Denmark;4. Department of Occupational Therapy and Physiotherapy, Aalborg University Hospital, Hobrovej 18-22, 9000, Aalborg, Denmark |