1. Department of Gastrointestinal Surgery, Guangxi Clinical Research Center for Colorectal Cancer Guangxi Medical University Cancer Hospital Nanning P.R. China
2. Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines China Pharmaceutical University Nanjing P.R. China
3. College of Pharmacy Guangxi Medical University Nanning P.R. China
4. Department of Pharmacy Guangxi Medical University Cancer Hospital Nanning P.R. China