1. Maternity and Children Hospital Department of Pediatric, , Al Ahsa, Eastern Province , Kingdom of Saudi Arabia
2. King Fahad Specialist Hospital Department of Otolaryngology-Head and Neck Surgery, , Dammam, Eastern Province , Kingdom of Saudi Arabia
3. Al Jaber ENT & Eye Hospital Department of ENT Head & Neck Surgery, , Al Ahsa, Eastern Province , Kingdom of Saudi Arabia
4. King Fahad Specialist Hospital Department of Radiology, , Dammam, Eastern Province , Kingdom of Saudi Arabia
5. King Fahad Hospital Department of Dermatology, , Al Ahsa, Eastern Province , Kingdom of Saudi Arabia
6. King Abdulaziz Hospital Department of Otolaryngology-Head and Neck Surgery, , Jeddah, Western Province , Kingdom of Saudi Arabia
7. College of Medicine, King Faisal University , Al Ahsa, Eastern Province , Kingdom of Saudi Arabia