1. Division of Pediatric Endocrinology, Department of Paediatrics, King Fahad Hospital of the University in Al Khobar Imam Abdulrahman Bin Faisal University Dammam Saudi Arabia
2. Department of Health and Sport Statistics General Authority for Statistics Riyadh Saudi Arabia
3. Department of Family and Community Medicine Collage of Medicine, Imam Abdulrahman bin Faisal University Damam Saudi Arabia