1. Department of Pathogen Biology, Nanjing Medical University, Nanjing 211166, China
2. Key Laboratory of Antibody Technique of National Health Commission of China, Nanjing Medical University, Nanjing 211166, China
3. Department of Gynecology, Nanjing Maternity and Child Health Care Hospital, Women's Hospital of Nanjing Medical University, Nanjing 210004, China