1 TY Nelson Department of Neurology and Neurosurgery, The Children's Hospital at Westmead, Sydney, New South Wales, Australia.
2 Department of Neurology, Sydney Children's Hospital, Sydney, New South Wales, Australia.
3 Kids Neuroscience Centre, The Children's Hospital at Westmead, Sydney, New South Wales, Australia.
4 Medical Imaging, The Children's Hospital at Westmead, Sydney, New South Wales, Australia.
5 University of Sydney Children's Hospital at Westmead Clinical School, Faculty of Medicine and Health Clinical School, University of Sydney, Sydney, New South Wales, Australia.
6 Department of Paediatrics, Neurology Service, KK Women's and Children's Hospital, Singapore, Singapore.
7 Neurology Department, The Royal Children's Hospital, Melbourne, Victoria, Australia.
8 Department of Biochemistry, The Children's Hospital at Westmead, Sydney, New South Wales, Australia.
9 Department of Immunology, The Children's Hospital at Westmead, Sydney, New South Wales, Australia.