1 Division of Infectious Diseases and Tropical Medicine, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
2 Department of Emergency Medicine, Taipei Veterans General Hospital, Taipei, Taiwan.
3 Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan.
4 Department of Biomedical Engineering, Faculty of Engineering, Okayama University of Science, Okayama, Japan.
5 Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON, Canada.
6 Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu, Taiwan.