[1] Zhejiang Univ, Affiliated Hosp 2, Dept Gastroenterol, Sch Med, Hangzhou, Zhejiang, Peoples R China
[2] Sun Yat Sen Univ, Affiliated Hosp 6, Dept Gastroenterol, Guangzhou, Guangdong, Peoples R China
[3] Southern Med Univ, Zhujiang Hosp, Dept Gastroenterol, Guangzhou, Guangdong, Peoples R China
[4] Third Mil Med Univ, Xinqiao Hosp, Dept Gastroenterol, Chongqing, Peoples R China
[5] Zhejiang Prov Hosp Tradit Chinese Med, Dept Gastroenterol, Hangzhou, Zhejiang, Peoples R China
[6] Peking Union Med Coll, Dept Gastroenterol, Beijing, Peoples R China
[7] Nanjing Univ Chinese Med, Affiliated Hosp, Dept Colorectal Surg, Nanjing, Jiangsu, Peoples R China
[8] Zhejiang Univ, Affiliated Hosp 2, Dept Nutr, Sch Med, Hangzhou, Zhejiang, Peoples R China