[1] Chinese Univ Hong Kong, Dept Med & Therapeut, Inst Digest Dis, Li Ka Shing Inst Hlth Sci, Hong Kong, Hong Kong, Peoples R China
[2] Chinese Univ Hong Kong, Dept Pediat, Hong Kong, Hong Kong, Peoples R China
[3] Alice Ho Miu Ling Nethersole Hosp, Hong Kong, Peoples R China
[4] North Dist Hosp, Hong Kong, Hong Kong, Peoples R China
[5] United Christian Hosp, Hong Kong, Hong Kong, Peoples R China
[6] Tseung Kwan O Hosp, Hong Kong, Hong Kong, Peoples R China
[7] Kiangwu Hosp, Macao, Peoples R China
[8] Hosp Conde S Januario, Macao, Peoples R China
[9] St Vincent Hosp, Melbourne, Vic, Australia
[10] Univ Melbourne, Melbourne, Vic, Australia
[11] Bankstown & Concord Hosp, Sydney, NSW, Australia
[12] Univ Kelaniya, Fac Med, Ragama, Sri Lanka
[13] Singapore Gen Hosp, Singapore, Singapore
[14] Natl Univ Singapore Hosp, Singapore 117548, Singapore
[15] Univ Malaya, Med Ctr, Kuala Lumpur, Malaysia
[16] Maharaj Nakorn Chiangmai Hosp, Chiangmai, Thailand
[17] Siriraj Hosptial, Bangkok, Thailand
[18] King Chulalongkorn Mem Hosp, Bangkok, Thailand
[19] Sichuan Univ, West China Hosp, Chengdu 610064, Peoples R China
[20] San Yat Sen Univ, Affiliated Hosp 1, Guangzhou, Guangdong, Peoples R China
[21] Fourth Mil Med Univ, Xijing Hosp, Dept Gastroenterol, Xian, Shaanxi, Peoples R China
[22] Univ Indonesia, Depok, Indonesia