1. Department of Physical and Rehabilitation Medicine, Centra’ Finland Health Care District Hospital, Jyvaskyla, Finland
2. Faculty of Medicine, University of Turku, Turku, Finland
3. Department of Orthopaedics and Traumatology, Tampere University Hospital, Tampere, Finland
4. Faculty of Health Sciences, Univeristy of Jyväskylä, Jyväskylä, Finland
5. Consultant Surgeon Orthopaedics and Traumatology, Docent. Chief Orthopaedic Surgeon, Hospital NOVA, Central Finland Health Care District, Jyvaskyla, Finland
6. Primary Health Care Unit, Kuopio University Hospital, Helsinki, Finland