1. Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin 300072, P.R. China
2. Centre for Reproductive Medicine, Tianjin Medical University General Hospital, Tianjin 300041, P.R. China
3. Department of Physiology, School of Basic Medical Sciences, Health Sciences Center, Shenzhen University, Shenzhen, Guangdong 518060, P.R. China
4. Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Pathogen Biology, Health Sciences Center, Shenzhen University, Shenzhen, Guangdong 518055, P.R. China