1. Department of Obstetrics and Gynecology, The Second Clinical Hospital, Jilin University, Changchun, Republic of China.
2. Department of Regenerative Medicine, College of Pharmacy, Jilin University, Changchun, Republic of China.
3. Department of Biotechnology, College of Life Science and Biopharmacology, Guangdong Pharmaceutical University, Guangzhou, Republic of China.