Risk of autism spectrum disorder in children with infantile epileptic spasms syndrome: a retrospective study in a single center in Brazil Marília Barbosa de Matos; Paulo Breno Noronha Liberalesso; Tiago dos Santos Bara; Paula Carolina Martins Alves Gomes; Bianca Simone Zeigelboim; Jair Mendes Marques; Mara L. Cordeiro;