Southeast University, Nanjing Medical University, Xuzhou Medical University, Sun Yat-sen University (SYSU), People’s Hospital of Beijing Daxing District, Tianjin Third Central Hospital, Government of the People's Republic of China - Sixth People's Hospital of Shenyang, Shanxi Bethune Hospital, Sun Yat-sen University (SYSU) - Department of Gastroenterology, Gannan Medical University, Baotou Medical College, People’s Hospital of Guangxi Zhuang Autonomous Region - Department of Gastroenterology, People’s Hospital of Ningxia Hui Autonomous Region - Department of Gastroenterology, Sun Yat-sen University (SYSU) - Department of Gastroenterology, Linyi People's Hospital, Zhejiang University, Chongqing University, Chongqing University, Tianjin Second People's Hospital - Department of Gastroenterology and Hepatology, Xi'an Gaoxin Hospital, Nanjing University of Chinese Medicine (NJUCM) - Department of Endocrinology, Nanjing Medical University, Qingdao University, Guangzhou Medical University, Southwest Medical University, Anhui Medical University, Dalian University - Affiliated Sixth People's Hospital, Chongqing Medical University, Ankang Hospital of Traditional Chinese Medicine, Lishui Central Hospital, Wenzhou Medical University, Third People’s Hospital of Zhenjiang, Zhejiang University, Government of the People's Republic of China - First People's Hospital of Yinchuan, The General Hospital of Western Theater Command, Zunyi Medical University - Department of Gastroenterology, Shannan People's Hospital - Department of Gastroenterology, Capital Medical University - Beijing YouAn Hospital, Lanzhou University First Affiliated Hospital, People’s Hospital of Ningxia Hui Autonomous Region - Department of Hepatobiliary Surgery, Huazhong University of Science and Technology - Division of Gastroenterology, Baoding People's Hospital, Xuzhou Medical University, Xuzhou Medical University, Nanjing Medical University, Nanjing Medical University and Lanzhou University - CHESS Center