[1] Great Ormond St Hosp Sick Children, Neuroradiol, London, England
[2] UCL, Inst Neurol, Queen Sq MS Ctr, Dept Neuroinflammat, London, England
[3] Image Anal Ctr, Amsterdam, Netherlands
[4] Univ Oxford, Nuffield Dept Clin Neurosci, Oxford, England
[5] Guys & St Thomas NHS, Evelina Childrens Hosp, Childrens Neurosci, London, England
[6] Birmingham Childrens Hosp, Paediat Neurol, Solihull, W Midlands, England