1. Department of Internal Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
2. Department of Oncology, National Taiwan University Hospital, Taipei, Taiwan
3. Graduate Institute of Oncology, National Taiwan University College of Medicine, Taipei, Taiwan
4. Department of Medical Oncology, National Taiwan University Cancer Center, Taipei, Taiwan
5. Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan