1. Center of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia.
2. Audiology Section, Department of Otolaryngology, KAUH, Jeddah, Kingdom of Saudi Arabia.
3. Ear, Nose, Throat (ENT)—Head and Neck Surgery Department, Erfan-Bagedo Hospital, Jeddah, Kingdom of Saudi Arabia.
4. Jeddah Institute for Speech and Hearing, Jeddah, Kingdom of Saudi Arabia.
5. Medical Supervision, Department of Education, Jeddah, Kingdom of Saudi Arabia.