1. Neuroimmunology Group; Institute for Neuroscience and Muscle Research; The Children's Hospital at Westmead; Sydney Australia
2. The Children's Hospital at Westmead Clinical School; University of Sydney; Sydney Australia
3. Department of Neuroservices; Starship Children's Hospital; Auckland New Zealand
4. Paediatric Neurology Unit; Department of Woman's and Child's Health; University Hospital of Padua; Padua Italy