1. Immunology Section, Department of Zoology, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt;
2. Egyptian-Korean College of Industry and Energy Technology, Beni-Suef Technological University, Beni-Suef, Egypt;
3. Physiology Section, Department of Zoology, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt;
4. Biology Department, Faculty of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia