[1
]
Division of Infectious Diseases, Department of Paediatrics, kevin.schwartz@sickkids.ca.
[2
]
Division of Microbiology, Department of Paediatric Laboratory Medicine, and.
[3
]
Virus Reference Department, Health Protection Agency Microbiology Service Division,
London, United Kingdom;Department of Infection, Division of Infection and Immunity,
University College London, London, United Kingdom; and.
[4
]
Department of Infection, Division of Infection and Immunity, University College London,
London, United Kingdom; and.
[5
]
Divisions of Neurology, Department of Paediatrics.
[6
]
Department of Pediatrics Children's Hospital of Philadelphia, University of Pennsylvania,
Philadelphia, PennsylvaniaResearch Institute, The Hospital for Sick Children, University
of Toronto, Toronto, Canada;
[7
]
Division of Paediatric Medicine, Department of Paediatrics.
[8
]
Division of Infectious Diseases, Department of Paediatrics.