About the Authors

Nasra Ayuob

nasraayuob@gmail.com; nayuob@kau.edu.sa

Affiliations Anatomy Department, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia, Histology Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt

Rana ElBeshbeishy

Affiliations Anatomy Department, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia, Anatomy Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NA REB. Performed the experiments: NA REB. Analyzed the data: NA. Contributed reagents/materials/analysis tools: NA REB. Wrote the paper: NA REB.