[1] Shanghai Jiao Tong Univ, Sch Med, Renji Hosp, Div Gastroenterol & Hepatol, Shanghai, Peoples R China
[2] Naval Med Univ, Changhai Hosp, Affiliated Hosp 1, Dept Gastroenterol, Shanghai, Peoples R China
[3] Shanghai Jiao Tong Univ, Sch Med, Renji Hosp, Div Gastroenterol & Hepatol, Shanghai, Peoples R China
[4] Sun Yat Sen Univ, Affiliated Hosp 1, Dept Gastroenterol, Guangzhou, Peoples R China
[5] Soochow Univ, Affiliated Hosp 1, Dept Gastroenterol, Suzhou, Peoples R China
[6] Xiamen Univ, Zhongshan Hosp, Dept Gastroenterol, Xiamen, Peoples R China
[7] Shandong Univ, Qilu Hosp, Dept Gastroenterol, Jinan, Peoples R China
[8] Capital Med Univ, Beijing Friendship Hosp, Dept Gastroenterol, Beijing, Peoples R China
[9] Sichuan Univ, West China Hosp, Dept Gastroenterol, Chengdu, Peoples R China
[10] Shanghai Jiao Tong Univ, Sch Med, Renji Hosp, Pathol Unit,Div Gastroenterol & Hepatol, Shanghai, Peoples R China
[11] Peking Univ Third Hosp, Dept Gastroenterol, Pathol Unit, Beijing, Peoples R China
[12] Chinese Acad Med Sci, Peking Union Med Coll, Peking Union Med Coll Hosp, Dept Gastroenterol, Beijing, Peoples R China
[13] Shanghai Jiao Tong Univ, Sch Med, Renji Hosp, Div Gastroenterol & Hepatol, Shanghai, Peoples R China
[14] Nanchang Univ, Affiliated Hosp 1, Dept Gastroenterol, Nanchang, Jiangxi, Peoples R China
[15] Zhejiang Chinese Med Univ, Affiliated Hosp 1, Dept Gastroenterol, Hangzhou, Peoples R China
[16] Air Force Med Univ, Affiliated Hosp 1, Dept Gastroenterol, Xian, Peoples R China