1. Department of Otolaryngology - Head and Neck Surgery, Dammam Medical Complex, Dammam, Saudi Arabia
2. Department of Otolaryngology - Head and Neck Surgery, Qatif Central Hospital, Qatif, Saudi Arabia
3. Department of Diagnostic Radiology, Qatif Central Hospital, Qatif, Saudi Arabia
4. Department of histopathology, Qatif Central Hospital, Qatif, Saudi Arabia