title: Response to Keszthelyi et al.
authors.affiliation: Department of Medicine, Division of Gastroenterology, Faculty of Medicine, Siriraj Hospital, Siriraj Medical School, Mahidol University, Bangkok, Thailand.
authors.forename: Somchai
authors.initials: S
authors.lastname: Leelakusolvong
authors.affiliation: Department of Medicine, Division of Gastroenterology, Faculty of Medicine, Siriraj Hospital, Siriraj Medical School, Mahidol University, Bangkok, Thailand.
authors.forename: Julajak
authors.initials: J
authors.lastname: Limsrivilai
authors.affiliation: Department of Medicine, Division of Gastroenterology, Faculty of Medicine, Siriraj Hospital, Siriraj Medical School, Mahidol University, Bangkok, Thailand.
authors.forename: Phunchai
authors.initials: P
authors.lastname: Charatcharoenwitthaya
authors.affiliation: Department of Medicine, Division of Gastroenterology, Faculty of Medicine, Siriraj Hospital, Siriraj Medical School, Mahidol University, Bangkok, Thailand.
authors.forename: Nonthalee
authors.initials: N
authors.lastname: Pausawasdi