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. Institute of Biomedical Engineering National Tsing Hua University Hsinchu Taiwan
5. Institute of Preventive Medicine National Defense Medical Center Taipei Taiwan
6. Department of Pediatrics National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University Tainan Taiwan