1. Digestive Medicine Center The Seventh Affiliated Hospital of Sun Yat‐Sen University Shenzhen China
2. Department of Gastrointestinopancreatic Surgery The First Affiliated Hospital of Sun Yat‐Sen University Guangzhou China
3. Adult Stem Cell Laboratory The Francis Crick Institute London UK
4. Animal Experiment Center The First Affiliated Hospital Sun Yat‐Sen University Guangzhou China