1. Department of Orthopaedics, Capio St Görans Hospital;
2. Department of Orthopaedics, Karolinska University Hospital;
3. Institution of Clinical Sciences, Intervention and Technology (CLINTEC), Karolinska Institutet;
4. Functional Unit for Musculoskeletal Radiology, Karolinska University Hospital;
5. Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden