1. Egyptian National Blood Transfusion Services; Cairo Egypt
2. Online Research Club (http://www.onlineresearchclub.org/); Nagasaki Japan
3. Pham Ngoc Thach University of Medicine; Ho Chi Minh City Vietnam
4. Faculty of Medicine; October 6 University; Giza 12566 Egypt
5. Ho Chi Minh City Oncology Hospital; Ho Chi Minh City Vietnam
6. Faculty of Medicine; Alexandria University; Alexandria Egypt
7. University of Medicine and Pharmacy at Ho Chi Minh City; Ho Chi Minh City Vietnam
8. Cairo University Hospitals; Giza Egypt
9. Faculty of Medicine; Minia University; Minia Egypt
10. Department of Immunogenetics; Institute of Tropical Medicine (NEKKEN); Graduate School of Biomedical Sciences; Nagasaki University; 1-12-4 Sakamoto Nagasaki 852-8523 Japan
11. Evidence Based Medicine Research Group & Faculty of Applied Sciences; Ton Duc Thang University; Ho Chi Minh City Vietnam
12. Department of Clinical Product Development; Institute of Tropical Medicine (NEKKEN); Leading Graduate School Program, and Graduate School of Biomedical Sciences; Nagasaki University; 1-12-4 Sakamoto Nagasaki 852-8523 Japan