1. Faculty of Physical Education and Sports Science, Laboratory of Sports Physiotherapy, National & Kapodistrian University of Athens, Greece
2. Department of Physiotherapy, T.E.I. of Lamia, Greece
3. Orthopaedic Department, Medical School, University of Patra, Greece
4. 2nd Department of Radiology, Medical School, National & Kapodistrian University of Athens, Greece
5. Department of Radiology, University Hospitals of K.U., Leuven, Belgium