Authors
Duangporn Thong-Ngam
Department of Physiology, Faculty of Medicine, Chulalongkorn University,, Bangkok, Thailand
Maneerat Chayanupatkul
Department of Physiology, Faculty of Medicine, Chulalongkorn University,, Bangkok, Thailand
Thirada Thongbai
Gastroenterology Unit, Department of Medicine, Faculty of Medicine, Chulalongkorn University,, Bangkok, Thailand