1. Department of Orthopaedics; Tampere University Hospital; Tampere Finland
2. The School of Medicine; Tampere University; Tampere Finland
3. Injury & Osteoporosis Research Center; UKK Institute for Health Promotion Research; Tampere Finland
4. Coxa Hospital for Joint Replacement Center; Tampere Finland
5. Department of Clinical Science; Intervention and Technology (CLINTEC); Division of Orthopedics and Biotechnology; Karolinska Institutet; Stockholm Sweden