1. Second Department of Neurosurgery, General Hospital of Thessaloniki Hippokratio, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece
2. Department of Radiology, AHEPA University Hospital, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece
3. Department of Anatomy and Surgical Anatomy, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
4. Forensic Medical Service of Thessaloniki, Ministry of Justice, 54634 Thessaloniki, Greece