1. Department of Otolaryngology ‐ Head and Neck Surgery King Abdullah Medical City Makkah Saudi Arabia
2. Department of Otolaryngology ‐ Head and Neck Surgery Alhada Armed Forces Hospital Taif Saudi Arabia
3. Department of General Surgery Armed Forces Hospitals Taif Saudi Arabia
4. College of Graduate Health Sciences University of Tennessee Health Science Center Memphis Tennessee USA
5. Department of Surgery, College of Medicine Alfaisal University Riyadh Saudi Arabia
6. Department of Otolaryngology ‐ Head and Neck Surgery, College of Medicine King Saud University Riyadh Saudi Arabia
7. Department of Otolaryngology ‐ Head and Neck Surgery Schulich School of Medicine and Dentistry, Western University London Ontario Canada
8. Department of Head and Neck Oncology, CancerCare Manitoba University of Manitoba Winnipeg Manitoba Canada