1. Department of Surgery; College of Medicine; Taif University; Taif Saudi Arabia
2. Faculty of Medicine and University Hospital; King Abdulaziz University; Jeddah Saudi Arabia
3. Department of Otolaryngology-Head and Neck Surgery; Al-Noor Specialist Hospital; Makkah Saudi Arabia
4. Department of Otolaryngology-Head and Neck Surgery; King Abdullah Medical Complex; Jeddah Saudi Arabia
5. Department of Otolaryngology-Head and Neck Surgery and Ophthalmology; Faculty of Medicine; Umm Al-Qura University; Makkah Saudi Arabia
6. Head and Neck and Skull Base Center; King Abdullah Medical City; Makkah Saudi Arabia