1. Maxillofacial Surgery Unit, General Surgery Department, Faculty of Medicine, Sohag University, Sohag, Egypt.
2. Maxillofacial Surgery Department, Faculty of Dentistry, Al-Baha University, Kingdom of Saudi Arabia.
3. Cardiothoracic Surgery Department, Faculty of Medicine, Sohag University, Sohag, Egypt.
4. Surgery Department, Faculty of Medicine, King Faisal University, Kingdom of Saudi Arabia.
5. Radiology Department, Faculty of Medicine, Sohag University, Sohag, Egypt.
6. Department of Microbiology, Animal Health Research Institute, Sohag Branch, Sohag, Egypt.