[1] Minist Hlth, Div Gastroenterol & Hepatol, Key Lab Gastroenterol & Hepatol, Inflammatory Bowel Dis Res Ctr, 160 Pu Jian Ave, Shanghai 200127, Peoples R China
[2] Shanghai Jiao Tong Univ, Renji Hosp, Sch Med, 160 Pu Jian Ave, Shanghai 200127, Peoples R China
[3] Shanghai Inst Digest Dis, 160 Pu Jian Ave, Shanghai 200127, Peoples R China
[4] Air Force Med Univ, State Key Lab Canc Biol, Natl Clin Res Ctr Digest Dis, Xian, Peoples R China
[5] Air Force Med Univ, Xijing Hosp Digest Dis, Xian, Peoples R China
[6] Sun Yat Sen Univ, Dept Gastroenterol, Affiliated Hosp 1, Guangzhou 510080, Peoples R China