Childs Nerv Syst 2017 Jun 1;33(6):933-940. Epub 2017 Apr 1.
Unit of Rare Diseases of the Nervous System in Childhood, Department of Clinical and Experimental Medicine, Section of Pediatrics and Child Neuropsychiatry, University of Catania, AOU "Policlinico-Vittorio Emanuele", Via S. Sofia, 78, 95124, Catania, Italy.