[1] Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Shatin, Hong Kong, Peoples R China
[2] Emory Univ, Sch Med, Dept Pediat, Div Pediat Gastroenterol Hepatol & Nutr, Atlanta, GA USA
[3] Shimane Univ, Sch Med, Dept Gastroenterol & Hepatol, Shimane, Japan
[4] Univ Hong Kong, Queen Mary Hosp, Dept Med, Hong Kong, Hong Kong, Peoples R China
[5] Univ Hong Kong, Queen Mary Hosp, Dept Paediat & Adolescent Med, Hong Kong, Hong Kong, Peoples R China
[6] Univ Indonesia, Dr Cipto Mangunkusumo Hosp, Fac Med, Dept Internal Med,Div Gastroenterol, Jakrta, Indonesia
[7] Prince Songkla Univ, Fac Med, Dept Med, Div Gastroenterol Hepatol, Songkhla, Thailand
[8] Chulalongkorn Univ, Fac Med, Dept Pediat, Pediat GI Unit, Bangkok 10330, Thailand
[9] Natl Taiwan Univ, Dept Internal Med, Taipei 10764, Taiwan
[10] Natl Cheng Kung Univ Hosp, Coll Med, Dept Internal Med, Tainan 70428, Taiwan
[11] Mackay Mem Hosp, Dept Internal Med, Div Gastroenterol, Taipei, Taiwan