[1] Chinese Univ Hong Kong, Inst Digest Dis, Hong Kong, Hong Kong, Peoples R China
[2] Univ Malaya, Dept Gastroenterol & Hepatol, Kuala Lumpur, Malaysia
[3] Natl Univ Singapore, Yong Loo Lin Sch Med, Singapore, Singapore
[4] Univ Ulsan, Coll Med, Ulsan, South Korea
[5] Univ Santo Tomas, UST Hosp, Manila, Philippines
[6] Nihon Univ, Sch Med, Div Gastroenterol & Hepatol, Tokyo, Japan
[7] Asian Healthcare Fdn, Asian Inst Gastroenterol, Hyderabad, India
[8] Univ Adelaide, Lyell McEwin Hosp, Dept Med, Adelaide, SA, Australia
[9] Jichi Med Sch, Dept Med, Shimotsuke, Japan
[10] Xijing Hosp Digest Dis, State Key Lab Canc Biol, Xian, Shaanxi, Peoples R China
[11] China Med Univ, Taichung, Taiwan
[12] Univ Utah, Coll Hlth, Salt Lake City, UT USA
[13] Univ Calif Los Angeles, Los Angeles, CA USA
[14] Erasmus Univ, Med Ctr, Dept Gastroenterol & Hepatol, Rotterdam, Netherlands
[15] Univ Hosp, Dept Gastroenterol, Zaragoza, Spain