1 Department of Gastroenterology and Hepatology, Chang Gung Memorial Hospital, Linkou Main Branch, No.5, Fuxing St., Guishan Dist, Taoyuan city, 333, Taiwan, ROC.
2 College of Medicine, Chang Gung University, Taoyuan, Taiwan, ROC.
3 Department of Gastroenterology and Hepatology, Chang Gung Memorial Hospital, Linkou Main Branch, No.5, Fuxing St., Guishan Dist, Taoyuan city, 333, Taiwan, ROC. rachel.jeng@gmail.com.
4 College of Medicine, Chang Gung University, Taoyuan, Taiwan, ROC. rachel.jeng@gmail.com.