1. Department of Orthopaedics and Traumatology, Unit of Musculoskeletal Surgery, Tampere University Hospital, Teiskontie 35, 33521 Tampere, Finland
2. Fimlab Laboratories, Arvo Ylpön katu 4, 33520 Tampere, Finland
3. Division of Plastic Surgery, Helsinki University Central Hospital, Topeliuksenkatu 5, 00260 Helsinki, Finland
4. Coxa Hospital for Joint Replacement, Biokatu 6, 33520 Tampere, Finland