[1] Zhejiang Univ, Sch Med, Sir Run Run Shaw Hosp, Dept Gastroenterol, 3 East Qingchun Rd, Hangzhou 310016, Zhejiang, Peoples R China
[2] Zhejiang Univ, Inst Gastroenterol, Hangzhou 310016, Zhejiang, Peoples R China
[3] Chinese Univ Hong Kong, Inst Digest Dis, Hong Kong, Hong Kong, Peoples R China
[4] Chinese Univ Hong Kong, Dept Med & Therapeut, State Key Lab Digest Dis, Li Ka Shing Inst Hlth Sci, Hong Kong, Hong Kong, Peoples R China
[5] Zhejiang Univ, Sch Med, Sir Run Run Shaw Hosp, Dept Radiol, Hangzhou 310016, Zhejiang, Peoples R China
[6] Zhejiang Univ, Sch Med, Sir Run Run Shaw Hosp, Emergency Dept, Hangzhou 310016, Zhejiang, Peoples R China
[7] Zhejiang Univ, Sch Med, Sir Run Run Shaw Hosp, Dept Crit Care Med, Hangzhou 310016, Zhejiang, Peoples R China