1. Division of Paediatric Infectious Diseases, Chang Gung Memorial Hospital, Taoyuan, Taiwan
2. College of Medicine, Chang Gung University, Taoyuan, Taiwan
3. National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Zhunan, Taiwan
4. Department of Infectious Diseases, Lotung Poh-Ai Hospital, Yilan, Taiwan
5. Department of Pediatrics, St Mary’s Hospital, Yilan, Taiwan
6. Division of Infectious Diseases, Department of Internal Medicine, Chang Gung Memorial Hospital, Taoyuan, Taiwan
7. Department of Pediatrics, Chang Bing Show Chwan Memorial Hospital, Changhua, Taiwan
8. Division of Infectious Diseases, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan
9. Department of Microbiology and Immunology, School of Medicine, China Medical University, Taichung, Taiwan
10. Division of Infectious Diseases, Department of Internal Medicine, National Cheng Kung University Hospital, Tainan, Taiwan