[1] Chinese Univ Hong Kong, Dept Med & Therapeut, Div Gastroenterol & Hepatol, Hong Kong, Peoples R China
[2] Chinese Univ Hong Kong, Inst Digest Dis, Hong Kong, Peoples R China
[3] Chinese Univ Hong Kong, Dept Clin Oncol, Hong Kong, Peoples R China
[4] Chinese Univ Hong Kong, Sir YK Pao Ctr Canc, State Key Lab Translat Oncol, Hong Kong, Peoples R China