1. Clinical Laboratory Sciences Department; Faculty of Applied Medical Sciences; Taibah University; Al-Madinah Al Monawara Saudi Arabia
2. Genetics Unit Children Hospital; Faculty of Medicine; Mansoura University; Mansoura Egypt
3. Laboratory Medicine Department; Mansoura Fever Hospital; Ministry of Health; Mansoura Egypt
4. Pediatric Endocrine Division- Department of Pediatrics; Madinah Maternity & Children Hospital; King Abdullah Medical City; Al-Madinah Al Monwara Saudi Arabia
5. Pediatrics and Genetics Department; Faculty of Medicine; Mansoura University; Al-Mansoura Egypt