1. Graduate Institute of Clinical Medicine, Taipei Medical University, Taipei, Taiwan
2. Department of Surgery, Tung's Taichung Metro-Harbor Hospital, Taichung, Taiwan
3. Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
4. Graduate Institute of Cancer Biology and Drug Discovery, Taipei Medical University, Taipei, Taiwan
5. Department of Surgery, Chung Shan Medical University, Taichung, Taiwan