International research group: Study and definition of gait patterns in subjects affected by Dravet Syndrome "Gait Impariment in Dravet Syndrome: characte- rization and rehabilitation perspecitves". Collaborators: University Hospital of Padua, University Hospital of Verona, Besta Neurological Institute, CREP, Dravet Clinic of the Antwerp University Hospital, the Stichting Dravetsyndroom Nederland / Vlaanderen association and the Dravet Italia Onlus.