1Department of Gastroenterology, Xi'an Children's Hospital, Xi'an, Shaanxi, China;
2Endoscopy Center and Endoscopy Research Institute, Zhongshan Hospital, Fudan University, Shanghai, China;
3Shanghai Collaborative Innovation Center of Endoscopy, Shanghai, China;
4Department of Gastroenterology, Children's Hospital, Fudan University, Shanghai, China;
5Department of Gastroenterology, Fujian Maternity and Child Health Hospital, Affiliated Hospital of Fujian Medical University, Fujian, China;
6Department of General Surgery, Shanghai Children's Hospital, Shanghai JiaoTong University, Shanghai, China;
7Department of Gastroenterology, Shanghai Children's Hospital, Shanghai JiaoTong University, Shanghai, China;
8Department of General Surgery, Xi'an Children's Hospital, Xi'an, Shaanxi, China;
9Xi'an Jiaotong University, Xi'an, Shaanxi, China.
Correspondence: Pinghong Zhou, MD, PhD, FASGE. E-mail: [email protected]. Ying Fang, MD. E-mail: [email protected].
SUPPLEMENTARY MATERIAL accompanies this paper at https://links.lww.com/AJG/C651, https://links.lww.com/AJG/C652, https://links.lww.com/AJG/C653, https://links.lww.com/AJG/C654, https://links.lww.com/AJG/C655, https://links.lww.com/AJG/C656, https://links.lww.com/AJG/C657
*Hanhua Zhang, Zuqiang Liu and Liyun Ma contributed equally to this work.