Shanghai Jiao Tong University (SJTU) - Division of Gastroenterology and Hepatology, Shanghai Jiao Tong University (SJTU) - Division of Gastroenterology and Hepatology, Tongji University - Shanghai Tenth People's Hospital, University of Paris - Gastroenterology Department, Wenzhou Medical University - Yuying Children’s Hospital, George Washington University, Shanghai Jiao Tong University (SJTU) - Shanghai Ninth People's Hospital, University of Paris - Department of Gastroenterology and Digestive Oncology, Saint Antoine Hospital, Shanghai Jiao Tong University (SJTU) - Division of Gastroenterology and Hepatology, Shanghai Jiao Tong University (SJTU) - Division of Gastroenterology and Hepatology, Shanghai Jiao Tong University (SJTU) - Division of Gastroenterology and Hepatology and Shanghai Jiao Tong University (SJTU) - Division of Gastroenterology and Hepatology