1. Department of Medical Technology; University of Oulu; Oulu Finland
2. Institute of Anatomy; Ludwig-Maximilians-University; Munich Germany
3. Department of Trauma Surgery and Sports Medicine; Medical University; Innsbruck Austria
4. University of California; San Francisco CA USA
5. Institute of Anatomy and Musculoskeletal Research; Paracelsus Medical University; Salzburg Austria
6. Department of Diagnostic Radiology; Oulu University Hospital; Oulu Finland