1. Department of Histology, Faculty of Veterinary Medicine South Valley University Qena Egypt
2. Department of Cell and Tissues, Faculty of Veterinary Medicine Assiut University Assiut Egypt
3. Faculty of Science, Biomedicine Branch University of Science & Technology in Zewail City Cairo Egypt
4. Biology Department, College of Science Jouf University Sakaka Saudi Arabia
5. Department of Biology, Faculty of Science Al‐Baha University Al‐Baha Saudi Arabia
6. Biology Department, Faculty of Science King Khalid University Abha Saudi Arabia
7. Zoology Department, Faculty of Science Mansoura University Mansoura Egypt
8. Department of Aquaculture, Faculty of Aquatic and Fisheries Sciences Kafrelsheikh University Kafrelsheikh Egypt
9. Institute of Aquaculture University of Stirling Stirling UK
10. Department of Anatomy and Embryology, Faculty of Veterinary Medicine Alexandria University Alexandria Egypt
11. School of Veterinary Medicine and Science, Faculty of Medicine and Health Science University of Nottingham Nottingham UK
12. Department of Zoology, Faculty of Science Fayoum University Fayoum Egypt