1. Department of Microbiology and Immunology School of Medicine China Medical University Taichung Taiwan
2. Department of Medical Biotechnology and Laboratory science College of Medicine Chang Gung University Taoyuan Taiwan
3. Department of Pediatrics College of Medicine Chang Gung Children's Hospital Chang Gung Memorial Hospital Chang Gung University Taoyuan Taiwan
4. Department of Medical Research E‐Da Hospital Kaohsiung Taiwan
5. Department of Microbiology National Taiwan University College of Medicine Taipei Taiwan
6. Division of Infectious Diseases Department of Medicine Taipei Veterans General Hospital Taipei Taiwan
7. Department of Internal Medicine National Taiwan University Hospital Taipei Taiwan