1. Department of Oral and Maxillofacial Surgery, General Hospital of Thessaloniki “G. Papanikolaou”, Pylaia
2. Department of Oral and Maxillofacial Surgery, St. Lukes Hospital, Pylaia
3. Pathologist, Private Practice, Greece
4. Department of Oral and Maxillofacial Surgery, Aristotle University of Thessaloniki, Thessaloniki, Greece