1. Division of Infectious Diseases and Tropical Medicine, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
2. Institute of Clinical Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan
3. National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli County, Taiwan
4. Emergency Department, Taipei Veterans General Hospital, Taipei, Taiwan
5. Division of Infectious Diseases, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
6. Graduate Institute of Life Science, National Defense Medical Center, Taipei, Taiwan