1 Division of Hepatology, Department of Gastroenterology-Hepatology Linkou Medical Center, Chang Gung Memorial Hospital, Kweishan, Taoyuan, Taiwan; College of Medicine, Chang Gung University, Kweishan, Taoyuan, Taiwan.
2 Division of Hepatology, Department of Gastroenterology-Hepatology Linkou Medical Center, Chang Gung Memorial Hospital, Kweishan, Taoyuan, Taiwan; College of Medicine, Chang Gung University, Kweishan, Taoyuan, Taiwan. Electronic address: chunyenlin@gmail.com.