[1] Nanjing Med Univ, Affiliated Hosp 2, Hepatopancreatobiliary Ctr, 121 Jiangjiayuan Rd, Nanjing 210011, Jiangsu, Peoples R China
[2] Southeast Univ, Med Sch, Nanjing, Peoples R China
[3] Nanjing Med Univ, Affiliated Hosp 2, Med Ctr Digest Dis, Dept Microbiota Med, 121 Jiangjiayuan Rd, Nanjing 210011, Jiangsu, Peoples R China