1. Biomolecular Medicine Lab, West China College of Preclinical Medicine and Forensic Medicine, Sichuan University, Chengdu 610041, Sichuan, P. R. China
2. West China Hospital Nanomedicine Laboratory, Institute for Nanobiomedical Technology and Membrane Biology, Department of Ultrasound, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, P. R. China
3. Department of Microbiology, College of Basic Medicine, Zunyi Medical University, Huichuan District, Zunyi 563003, Guizhou, P. R. China
4. Department of Obstetrics and Gynecology, West China Second Hospital, Sichuan University, Chengdu 610041, Sichuan, P. R. China