1. Department of Surgery, National Taiwan University Hospital, Taipei, Taiwan
2. School of Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan
3. Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
4. Center of Faculty Development and Curriculum Integration, College of Medicine, National Taiwan University Hospital, Taipei, Taiwan
5. Department of Surgery, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan