1 Department of Pediatrics, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan; Children's Medical Center, Taipei Veterans General Hospital, Taipei, Taiwan.
2 Children's Medical Center, Taipei Veterans General Hospital, Taipei, Taiwan. Electronic address: chensj@vghtpe.gov.tw.
3 Children's Medical Center, Taipei Veterans General Hospital, Taipei, Taiwan; Institute of Emergency and Critical Care Medicines, School of Medicine, National Yang-Ming University, Taipei, Taiwan.
4 Department of Pediatrics, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
5 Children's Medical Center, Taipei Veterans General Hospital, Taipei, Taiwan.