1. Department of Cell and Tissues, Faculty of Veterinary Medicine, Assiut University, Assiut, Egypt
2. Department of Biology, College of Science, Jouf University, Sakaka, Saudi Arabia
3. Department of Zoology, Faculty of Science, Fayoum University, Fayoum, Egypt
4. Department of Histology, Faculty of Veterinary Medicine, Sohag University, Sohag, Egypt
5. Department of Histology and Anatomy, School of Veterinary Medicine, Badr University in Assiut, New Nasser City, Egypt
6. Institute of Aquaculture, University of Stirling, Stirling, UK
7. Department of Aquaculture, Faculty of Aquatic and Fisheries Sciences, Kafrelsheikh University, Kafrelsheikh, Egypt
8. Faculty of Science, Biomedicine Branch, University of Science & Technology, Zewail, Egypt
9. Faculty of Medicine, King Salman University, Sina, Egypt
10. Department of Pathology, Faculty of Veterinary Medicine, Caio University, Giza, Egypt
11. Polymer Institute, Slovak Academy of Sciences, Bratislava, Slovakia
12. School of Veterinary Medicine and Science, University of Nottingham, Nottingham, UK
13. Department of Respiratory Therapy, Faculty of Applied Medical Sciences, Jazan University, Jazan, Saudi Arabia
14. Department of Histology, Faculty of Veterinary Medicine, South Valley University, Qena, Egypt