1. Department of Gynecology and Obstetrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China.
2. Laboratory of Molecular Translational Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China.
3. Department of Gynecology and Obstetrics, Sichuan Academy of Medical Sciences and Sichuan Province People's Hospital, Chengdu, Sichuan, China.
4. Department of Gynecology and Obstetrics, Meishan City Women and Child Care Hospital, Meishan, Sichuan, China.
5. Department of Immunology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan, China.