Affiliation: | 2. Department of Health Sciences, University of Jyväskylä, Jyväskylä, Finland;3. Department of Diagnostic Radiology, Oulu University Hospital, Oulu, Finland;4. Department of Orthopaedics and Traumatology, University of Helsinki, Helsinki, Finland;5. Department of Physical Medicine, Central Finland Hospital, Jyväskylä, Finland |