1. King Khalid University, Saudi Arabia; Cairo University, Egypt
2. King Khalid University, Saudi Arabia
3. King Khalid University, Saudi Arabia; Damanhour University, Egypt
4. King Khalid University, Saudi Arabia; National Organization for Research and Control of Biologicals, Egypt; King Khalid University, Saudia Arabia
5. Cairo University, Egypt; Taif University, Saudi Arabia
6. King Khalid University, Saudi Arabia; Sana'a University, Republic of Yemen
7. Alexandria University, Egypt
8. Jouf University, Saudi Arabia
9. South Valley University, Egypt
10. Minia University, Egypt