1. Department of Orthopaedic Surgery and Traumatology, Turku University Hospital, University of Turku, Turku, Finland
2. Department of Neurosurgery, Turku University Hospital, University of Turku, Turku, Finland
3. Hospital Neo, Turku, Finland
4. Department of Radiology, Turku University Hospital, University of Turku, Turku, Finland
5. Department of Hand Surgery, Orthopaedic and Traumatology, Helsinki University Central Hospital, University of Helsinki, Helsinki, Finland