1. School of Medical Information and Engineering, Xuzhou Medical University, Xuzhou, China
2. Department of Gastroenterology, Lanzhou University Second Hospital, Lanzhou, China
3. School of Life Science, Shandong University of Technology, Zibo, China
4. Department of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, China
5. The First School of Clinical Medicine, Lanzhou University, Lanzhou, China
6. Institution of Drug Clinical Trial, The First Hospital of Lanzhou University, Lanzhou, China