1 Department of Pediatrics and Infectious Disease, MacKay Children's Hospital, Taipei, Taiwan.
2 Division of Infection and Pathway Medicine, College of Medicine and Veterinary Medicine, the University of Edinburgh, Scotland, UK.
3 Department of Pediatrics and Infectious Disease, Hsinchu MacKay Memorial Hospital, Hsinchu City, Taiwan; Division of Infection and Pathway Medicine, College of Medicine and Veterinary Medicine, the University of Edinburgh, Scotland, UK.