[1] Nanyang Technol Univ, Lee Kong Chian Sch Med, Duke NUS Med Sch, Duke NUS Med Sch,Yong Loo Lin Sch Med,Lee Kong Chi, Nanyang Ave, Singapore, Singapore
[2] Hanoi Med Univ Hosp, Endoscopy Ctr, Hanoi, Vietnam
[3] Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Hong Kong, Peoples R China
[4] St Lukes Med Ctr Global City, Inst Digest & Liver Dis, Taguig, Philippines
[5] Sunway Univ, Sch Med & Life Sci, Subang Jaya, Selangor, Malaysia
[6] All India Inst Med Sci, Dept Gastroenterol & Human Nutr, New Delhi, India
[7] Tata Mem Hosp, Homi Bhabha Natl Inst, Dept Digest Dis & Clin Nutr, Mumbai, India
[8] Rangsit Univ, Rajavithi Hosp, Dept Internal Med, Div Gastroenterol, Bangkok, Thailand
[9] Soonchunhyang Univ, Coll Med, Dept Internal Med, Seoul, South Korea
[10] Juntendo Univ, Grad Sch Med, Dept Gastroenterol, Tokyo, Japan
[11] Mahidol Univ, Fac Med, Dept Med, Div Gastroenterol,Siriraj Hosp, Bangkok, Thailand
[12] Fourth Mil Med Univ, Xijing Hosp, Xian, Peoples R China
[13] Univ Indonesia, Fac Med, Dept Internal Med, Jakarta, Indonesia
[14] Univ Med 1, Yangon Gen Hosp, Dept Gastroenterol, Yangon, Myanmar
[15] Khyber Girls Med Coll, Hayat Abad Med Complex, Peshawar, Pakistan
[16] Univ Kelaniya, Fac Med, Dept Med, Ragama, Sri Lanka
[17] Univ Auckland, Taranaki Base Hosp, Fac Med & Hlth Sci, Auckland, New Zealand
[18] Zhejiang Univ, Affiliated Hosp 2, Hangzhou, Peoples R China
[19] Univ Hong Kong, Queen Mary Hosp, Dept Med, Hong Kong, Peoples R China
[20] Natl Taiwan Univ, Coll Med, Taipei, Taiwan
[21] Natl Univ Singapore, Ctr Sustainable Med, Yong Loo Lin Sch Med, Singapore, Singapore
[22] Duke NUS Med Sch, Gleneagles Med Ctr, Singapore, Singapore