1. Department of Applied Physics University of Eastern Finland Kuopio Finland
2. Diagnostic Imaging Center Kuopio University Hospital Kuopio Finland
3. Department of Orthopaedic University Medical Center Utrecht Utrecht The Netherlands
4. Department of Orthopedics, Traumatology and Hand Surgery Kuopio University Hospital Kuopio Finland
5. Departments of Biomedical Engineering, Chemistry, and Medicine Boston University Boston Massachusetts
6. Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering Delft University of Technology (TU Delft) Delft The Netherlands
7. Department of Rheumatology University Medical Center Utrecht The Netherlands
8. School of Information Technology and Electrical Engineering The University of Queensland Brisbane Australia