1. Key Laboratory of Stem Cell Engineering and Regenerative Medicine of Fujian Province University Fujian Medical University Fuzhou China
2. Department of Obstetrics and Gynecology Fujian Maternity and Child Health Hospital Affiliated Hospital of Fujian Medical University Fuzhou China
3. Department of Anatomy, Histology and Embryology School of Basic Medical Sciences Fujian Medical University Fuzhou China
4. Department of Pathology The First Affiliated Hospital of Fujian Medical University Fuzhou China
5. Human Anatomy and Embryology Department Suez Canal University Egypt