1. Faculty of MedicineMansoura University Mansoura Egypt
2. Online research Club (http://www.onlineresearchclub.org/) Nagasaki Japan
3. Department of OtolaryngologyMenoufia University Menoufia Egypt
4. Faculty of MedicineMenoufia University Menoufia Egypt
5. Neurosurgery DepartmentEl Sheikh Zayed Specialized Hospital Giza Egypt
6. Faculty of PharmacyTanta University Tanta Egypt
7. Kasralainy School of MedicineCairo University Cairo Egypt
8. Faculty of MedicineBenha University Benha Egypt
9. Faculty of MedicineAin Shams University Cairo Egypt
10. Egyptian National Blood Transfusion Services Cairo Egypt
11. Faculty of Health SciencesMcMaster University Hamilton Ontario Canada
12. Faculty of MedicineMinia University Minia Egypt
13. Faculty of MedicineUniversity of Medicine and Pharmacy Ho Chi Minh City Vietnam
14. Department of Immunogenetics, Institute of Tropical Medicine (NEKKEN), Leading Graduate School Program, and Graduate School of Biomedical SciencesNagasaki University Nagasaki Japan
15. Evidence Based Medicine Research GroupTon Duc Thang University Ho Chi Minh City Vietnam
16. Faculty of Applied SciencesTon Duc Thang University Ho Chi Minh City Vietnam