1. Abid Ashar:
Oral & Maxillofacial Surgery Department, Tawan Hospital, Al-Ain, Abdu Dhabi, UAE
2. S. M. Khateery:
Maxillofacial Unit, King Fand Hospital, Madina, Saudi Arabia
3. Kovacs A. Dmd:
Oral & Maxillofacial Surgery Department, Albert Szent Gyorgi University, Szeged, Hungary