1. Department of Gastroenterology and Hepatology; Chang Gung Memorial Hospital, Linkou; Taoyuan Taiwan
2. Department of General Surgery; Chang Gung Memorial Hospital, Linkou; Taoyuan Taiwan
3. Department of Anatomic Pathology; Chang Gung Memorial Hospital, Linkou; Taoyuan Taiwan
4. Department of Molecular and Cellular Oncology; The University of Texas MD Anderson Cancer Center; Houston Texas
5. Department of Pathology; The University of Texas MD Anderson Cancer Center; Houston Texas
6. Center for Molecular Medicine and Graduate Institute of Biomedical Sciences; China Medical University; Taichung Taiwan
7. Chang Gung University College of Medicine; Taoyuan Taiwan