1. Department of Otolaryngology – Head and Neck Surgery, King Faisal Medical Complex, Taif, Saudi Arabia
2. Department of General Surgery, Al-Hada Armed Forces Hospital, Taif, Saudi Arabia
3. Department of Otolaryngology – Head and Neck Surgery, Al-Hada Armed Forces Hospital, Taif, Saudi Arabia
4. College of Medicine, King Abdelaziz University, Rabigh, Saudi Arabia