1 School of Medicine, European University of Cyprus, 6, Diogenous Str., Engomi, 2404, Nicosia, Cyprus.
2 Department of Anatomy, School of Medicine, National and Kapodistrian University of Athens, 75, Mikras Asias Str., 11527, Athens, Greece.
3 Department of Anatomy and Surgical Anatomy, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece. natsis@auth.gr.