1 School of Life Sciences and Engineering, Foshan University, Foshan, 528225, China.
2 The First Hospital of Jilin University, Changchun, 130021, China.
3 Key Laboratory of National Health and Family Planning Commission of China for Male Reproduction and Genetics, Family Planning Research Institute of Guangdong Province, Guangzhou, 510600, China. zhaowzphd@163.com.
4 School of Life Sciences and Engineering, Foshan University, Foshan, 528225, China. liuquan1973@hotmail.com.