1. Faculty of Medicine, Benha University, Benha
2. Faculty of Medicine, Al-Azhar University, Cairo
3. Faculty of Medicine, Tanta University, Tanta
4. Faculty of Medicine, Alexandria University, Alexandria
5. Faculty of Medicine, Universitas Sriwijaya, Palembang, Indonesia
6. College of Medical Sciences, Bharatpur, Nepal
7. Faculty of Medicine, Assiut University, Assiut, Egypt