1. Department of Otolaryngology, Ohud hospital, Al Madinah Almunwarah, Madinah, Saudi Arabia
2. Department of Pediatric Infectious Disease, Maternity and Children Hospital, Al Madinah Almunwarah, Madinah, Saudi Arabia
3. Department of Otology, Neurotology and Cochlear Implant Surgery, Program Director of the Saudi Board of Otolaryngology, Ohud Hospital, Al Madinah Almunawarah, Madinah, Saudi Arabia