[1] Xiamen Univ, Sch Med, Zhongshan Hosp, Dept Gastroenterol, Xiamen, Peoples R China
[2] Xiamen Univ, Sch Med, Inst Microbial Ecol, Xiamen, Peoples R China
[3] Xiamen Univ, Xiamen Key Lab Intestinal Microbiome & Human Hlth, Zhongshan Hosp, Xiamen, Peoples R China
[4] Xiamen Univ, Sch Med, Dept Digest Dis, Xiamen, Peoples R China