[1] Chinese Univ Hong Kong, Dept Med & Therapeut, Hong Kong, Hong Kong, Peoples R China
[2] Univ Malaya, Dept Gastroenterol & Hepatol, Kuala Lumpur, Malaysia
[3] AAll India Inst Med Sci, Asian Healthcare Fdn, Hyderabad, Andhra Pradesh, India
[4] Saga Med Coll, Dept Internal Med & Gastrointestinal Endoscopy, Saga, Japan
[5] Natl Univ Singapore, Div Gastroenterol & Hepatol, Dept Med, Singapore, Singapore
[6] Kumamoto Univ, Grad Sch Med Sci, Dept Cardiovasc Med, Kumamoto, Japan
[7] Gyeongsang Natl Univ, Dept Internal Med, Sch Med, Gyeongsang, South Korea
[8] Cardiovasc Ctr, Gyeongsang, South Korea
[9] Kyushu Univ, Dept Clin Med, Fukuoka, Japan
[10] Korea Univ, Dept Gastroenterol, Coll Med, Seoul, South Korea
[11] Chulalongkorn Univ, Dept Med, Bangkok, Thailand
[12] Chinese Univ Hong Kong, Jockey Club Sch Publ Hlth & Primary Care, Hong Kong, Hong Kong, Peoples R China
[13] Natl Taiwan Univ Hosp, Dept Internal Med, Taipei, Taiwan
[14] Chinese Univ Hong Kong, Inst Vasc Res, Dept Med & Therapeut, Hong Kong, Hong Kong, Peoples R China
[15] Jichi Med Sch, Div Gastroenterol, Dept Med, Shimotsuke, Tochigi, Japan