1 Department of Orthopaedics and Traumatology, "251" Hellenic Air Force General Hospital of Athens, Greece.
2 Department of Anatomy, School of Medicine, Faculty of Health Sciences, National and Kapodistrian University of Athens, Greece.
3 Laboratory for Research of the Musculoskeletal System, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
4 2nd Department of Radiology, School of Medicine, National and Kapodistrian University of Athens, University General Hospital "Attikon", Athens, Greece.