1. Department of Gastrointestinal Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, China
2. School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China
3. National-Local Joint Engineering Laboratory of Druggability and New Drugs Evaluation, Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Sun Yat-Sen University, Guangzhou 510006, China