1. Department of Neurology; Erasmus MC; Rotterdam The Netherlands
2. Department of Neuroinflammation; Queen Square MS Centre; UCL Institute of Neurology; London
3. Department of Paediatric Neurology; Great Ormond Street Hospital for Children; London UK
4. Neuroimmunology Program; IDIBAPS-Hospital Clínic-Universitat de Barcelona; Barcelona
5. Paediatric Neuroimmunology Unit; Service of Neurology; Sant Joan de Déu Children's Hospital; Universitat de Barcelona; Barcelona Spain
6. Department of Paediatric Neurology; Birmingham Children's Hospital; Birmingham UK
7. Division of Paediatric Neurology; Department of Paediatrics; Ghent University Hospital; Ghent Belgium
8. Department of Paediatric Neurology; Erasmus MC-Sophia; Rotterdam The Netherlands
9. Department of Paediatric Neurology; Assistance Publique-Hôpitaux de Paris; Hôpital Bicêtre; National Referral Centre for Neuro-Inflammatory Diseases in Children; Paris
10. Université Paris Sud; Le Kremlin-Bicêtre; Paris France
11. Children's Neurosciences; King's Health Partners Academic Health Science Centre; Evelina London Children's Hospital at Guy's and St Thomas’ NHS Foundation Trust; London
12. Faculty of Life Sciences and Medicine; King's College London; London UK
13. Department of Paediatric Neurology; Children's Hospital Datteln; University Witten/Herdecke; Datteln Germany