1. College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
2. Beijing National Laboratory for Molecular Sciences, Peking University, Beijing, 100871, China
3. Department of Gastrointestinal Surgery, Peking University Shougang Hospital, Beijing, 100144, China
4. Gastrointestinal Cancer Center, Peking University Cancer Hospital, Beijing, 100142, China
5. Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, 100871, China
6. Synthetic and Functional Biomolecules Center, Peking University, Beijing, 100871, China
7. Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, 100871, China