1. Department of Medical Physics and Biomedical Engineering Sahlgrenska University Hospital Gothenburg Sweden
2. Department of Radiation Physics, Institute of Clinical Sciences, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
3. Department of Orthopedics Institute of Clinical Sciences, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
4. Department of Orthopedics Sahlgrenska University Hospital Gothenburg Sweden
5. Department of Radiology Sahlgrenska University Hospital Gothenburg Sweden
6. Department of Radiology Institute of Clinical Sciences, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden