1 Pediatric Neurology, Vall d'Hebron Institut de Recerca (VHIR), Hospital Universitari Vall d'Hebron, Vall d'Hebron Barcelona Hospital Campus, Autonomous University of Barcelona, Barcelona, Spain; Pediatric Neurology Section, Pediatric Service, Hospital Universitari Vall d'Hebron, Autonomous University of Barcelona, Barcelona, Spain.
2 Pediatric Neuroradiology, Vall d'Hebron Institut de Recerca (VHIR), Hospital Universitari Vall d'Hebron, Vall d'Hebron Barcelona Hospital Campus, Autonomous University of Barcelona, Barcelona, Spain; Pediatric Neuroradiology Section, Department of Radiology, Hospital Universitari Vall d'Hebron, Autonomous University of Barcelona, Barcelona, Spain.
3 Neuroimmunology Program, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clínic, University of Barcelona, Barcelona, Spain; Pediatric Neuroimmunology Unit, Neurology Department, Research Institute of Sant Joan de Déu Children's Hospital, University of Barcelona, Barcelona, Spain.