1. Biodiversity Research Center, Academia Sinica, Taipei, Taiwan
2. Department of Gastroenterology and Hepatology, Chang Gung Memorial Hospital, Taoyuan, Taiwan
3. Graduate Institute of Clinical Medical Science, Chang Gung University, Taoyuan, Taiwan
4. Division of Colorectal Surgery, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan
5. Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan