[1] Div Gastroenterol, Med, Bangkok, Thailand
[2] Ctr Excellence Liver Dis, Med, Bangkok, Thailand
[3] Khon Kaen Univ, Med, Khon Kaen, Thailand
[4] Mahidol Univ, Med, Bangkok, Thailand
[5] Chiang Mai Univ, Med, Bangkok, Thailand
[6] Prince Songkla Univ, Med, Hat Yai, Thailand
[7] Vajira Hosp, Med, Bangkok, Thailand
[8] Rajavithi Hosp, Med, Bangkok, Thailand
[9] Police Gen Hosp, Med, Bangkok, Thailand
[10] Thammasat Univ Hosp, Med, Bangkok, Thailand
[11] Bhumibol Adulyadej Hosp, Med, Bangkok, Thailand
[12] Naresuan Univ, Med, Phitsanulok, Thailand
[13] Buddhachinaraj Hosp, Med, Phitsanulok, Thailand
[14] Phramongkutklao Hosp, Med, Bangkok, Thailand
[15] Chulalongkorn Univ, Pediat, Bangkok, Thailand