[1] All India Inst Med Sci, Dept Gastroenterol, New Delhi, India
[2] Asian Inst Gastroenterol, Hyderabad, India
[3] Univ Malaya, Fac Med, Dept Med, Div Gastroenterol & Hepatol, Kuala Lumpur, Malaysia
[4] Pantai Hosp Kuala Lumpur, Dept Gastroenterol, Kuala Lumpur, Malaysia
[5] Univ Sains Malaysia, Sch Med Sci, Dept Med Educ, Gelugor, Malaysia
[6] Sunway Univ, Sch Med & Life Sci, Subang Jaya, Malaysia
[7] Univ Ulsan, Inflammatory Bowel Dis Ctr, Asan Med Ctr, Dept Gastroenterol,Coll Med, Seoul, South Korea
[8] Duke NUS Med Sch, Mt Elizabeth Med Ctr, Singapore, Singapore
[9] Duke NUS Med Sch, Gleneagles Med Ctr, Singapore, Singapore
[10] Univ Hong Kong, Sch Clin Med, Dept Med, Hong Kong, Peoples R China
[11] Chinese Univ Hong Kong, Fac Med, Dept Med & Therapeut, Hong Kong, Peoples R China
[12] Univ Sydney, Concord Hosp, Dept Gastroenterol & Hepatol, Sydney, NSW, Australia
[13] Univ Santo Tomas, Manila, Philippines
[14] Bumrungrad Int Hosp, King Mongkuts Inst Technol Ladkrabang, Fac Med, Bangkok, Thailand
[15] Univ Hong Kong, Dept Med, Hong Kong, Peoples R China
[16] Gleneagles Med Ctr, Singapore, Singapore