[1] Chinese Univ Hong Kong, LKS Inst Hlth Sci, Inst Digest Dis, Fac Med, Hong Kong, Hong Kong, Peoples R China
[2] Chinese Univ Hong Kong, Fac Med, Dept Med & Therapeut, Hong Kong, Hong Kong, Peoples R China
[3] Chinese Univ Hong Kong, Sch Biomed Sci, Fac Med, Hong Kong, Hong Kong, Peoples R China
[4] Chinese Univ Hong Kong, Div Colorectal Surg, Dept Surg, Fac Med, Hong Kong, Hong Kong, Peoples R China
[5] Chinese Univ Hong Kong, Dept Anat Cellular Pathol, Fac Med, Hong Kong, Hong Kong, Peoples R China