1. Department of Surgery, National Taiwan University Hospital, Taipei, Taiwan
2. Department of Medical Science, National Tsing Hua University, Hsinchu, Taiwan
3. Institute of Biotechnology, National Tsing Hua University, Hsinchu, Taiwan
4. Department of Surgery, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan
5. Department of Surgery, National Taiwan University Hospital-Yunlin Branch, Yunlin, Taiwan
6. Department of Surgery, National Taiwan University Hospital-Hsinchu Branch, Hsinchu, Taiwan
7. Department of Pathology, National Taiwan University Hospital-Hsinchu Branch, Hsinchu, Taiwan