1. Department of Gastrointestinal Endoscopy, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
2. Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
3. Digestive Endoscopy Center, Guangdong Second Provincial General Hospital, Guangzhou, China
4. Department of Endoscopic Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
5. Department of Endoscopy, The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
6. Department of Gastroenterology, Yangjiang Hospital of Traditional Chinese Medicine, Yangjiang, China
7. Department of Endoscopy, Fudan University Shanghai Cancer Center, Shanghai, China
8. Department of Gastroenterology, Zhoushan Hospital of Zhejiang Province, Zhoushan, China
9. Department of Gastroenterology, Lianjiang People’s Hospital, Lianjiang, China
10. Tianjin Economic-Technological Development Area (TEDA) Yujin Digestive Health Industry Research Institute, Tianjin, China
11. Tianjin Center for Medical Devices Evaluation and Inspection, Tianjin, China
12. Department of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China