[1] Kings Coll Hosp NHS Fdn Trust, Dept Neurol Kings Hlth Partners, London, England
[2] East Kent Hosp Univ NHS Fdn Trust Ashford, Ashford, Kent, England
[3] Royal Devon & Exeter Fdn Trust, Dept Neurol Devon, Exeter, Devon, England
[4] Evelina Childrens Hosp, Dept Inherited Metab Dis London, London, England
[5] Evelina Childrens Hosp, Dept Pediat Neurol London, London, England
[6] Brighton & Sussex Univ Hosp NHS Trust Brighton, Brighton, E Sussex, England
[7] Kings Coll Hosp, Dept Psychol Med, South London & Maudsley NHS Trust, Kings Hlth Partners London, London, England
[8] Kings Coll Hosp, Dept Neuroradiol, Kings Hlth Partners, London, England