1. Department of Otolaryngology‐Head & Neck Surgery AlHada Armed Forces Hospital Taif Saudi Arabia
2. Department of Otolaryngology‐Head & Neck Surgery King Abdullah Medical City Makkah Saudi Arabia
3. Department of Otolaryngology‐Head & Neck Surgery King Abdulaziz University Jeddah Saudi Arabia
4. Department of Surgery College of Medicine Alfaisal University Riyadh Saudi Arabia
5. College of Graduate Health Sciences University of Tennessee Health Science Center Memphis TN USA
6. Department of Otolaryngology‐Head & Neck Surgery College of Medicine King Saud University Riyadh Saudi Arabia