1. Department of Physical Medicine and Rehabilitation (PMR), University of Ioannina, Ioannina, Greece
2. Laboratory of Anatomy-Histology-Embryology, University of Ioannina, Ioannina, Greece
3. Department of Hygiene and Epidemiology, University of Ioannina, Ioannina, Greece
4. Department of Informatics and Telecommunications, University of Ioannina, Ioannina, Greece
5. Department of Orthopaedics, University of Ioannina, Ioannina, Greece