Gastroenterology Unit, Department of Medicine, Thammasat University Hospital, Pathumthani, Thailand.
Thawee Ratanachuek, MD
Rapat Pittayanon, MD
Monthira ManeeRattanaporn, MD
Pises Pisespongsa, MD
Olarn Wiwattanachang, MD
Inchaya Sansak, MD
Orawan Chaiyamahapurk, MD
Woramon Jeamsripong, MD
Lotay Tshering, MD
Yoshio Yamaoka, MD
Varocha Mahachai, MD
