1. School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, People's Republic of China
2. Yibin Institute of Southwest Jiaotong University, Yibin 644000, Sichuan, People's Republic of China
3. KU Leuven, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Herestraat 49, box 1043, Leuven 3000, Belgium
4. College of Chemistry, Leshan Normal University, Leshan 614004, Sichuan, People's Republic of China