Affiliation: | 1. Department of Neurology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA;2. Department of Neurology, Lahey Clinic, Burlington, Massachusetts, USA;3. Department of Neurology, Emory University School of Medicine, Atlanta, Georgia, USA;4. Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA;5. Department of Neurology, KK Women's & Children's Hospital, Singapore;6. Division of Pediatric Neurology, University of Florida College of Medicine, Gainesville, Florida, USA |