1. Department of Otolryngology-Head & Neck Surgery, King Abdulaziz University, Jeddah, Saudi Arabia
2. Collage of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
3. Department of Family and Community Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
4. Endocrinology Unit, Department of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia