1. Medical School of Nanjing University, Nanjing 210093, China
2. Jiangsu Agri-Animal Husbandry Vocational College, Taizhou 225300, China
3. Department of Andrology, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing University, Nanjing 210023, China
4. Chemistry and Biomedicine Innovation Centre, Nanjing University, Nanjing 210023, China
5. State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing 210023, China