1 From the Paediatric Neurosciences Research Group (S.M.Z.), Royal Hospital for Children & University of Glasgow, UK; and Pediatric Neurology and Muscular Diseases Unit, Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (P.S.), University of Genoa, "G. Gaslini" Institute, Italy. sameer.zuberi@nhs.net.
2 From the Paediatric Neurosciences Research Group (S.M.Z.), Royal Hospital for Children & University of Glasgow, UK; and Pediatric Neurology and Muscular Diseases Unit, Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (P.S.), University of Genoa, "G. Gaslini" Institute, Italy.