1. Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
2. Department of Medicine, National Taiwan University Cancer Center, Taipei, Taiwan
3. Center of Infection Control, National Taiwan University Hospital, Taipei, Taiwan
4. Department of Medical Education, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
5. School of Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
6. Department of Internal Medicine, National Taiwan University Hospital Yunlin Branch, Yunlin, Taiwan
7. Department of Tropical Medicine and Parasitology, National Taiwan University College of Medicine, Taipei, Taiwan