1 Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, Guangdong 515063, China.
2 Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong SAR, China.
3 Reproduction and Development Laboratory, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China.
4 School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China.
5 Chinese University of Hong Kong-Sichuan University Joint Laboratory in Reproductive Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China.