1. Department of Otolaryngology-Head and Neck Surgery, College of Medicine, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
2. Department of Otolaryngology–Head and Neck Surgery, King Abdulaziz Medical City Hospital, Riyadh, Saudi Arabia
3. King Saud Bin Abdulaziz for Health Sciences, College of Medicine, Riyadh, Saudi Arabia