909–938dup) [152], a complex ataxia due to a KIF1A variant [MIM: 601255, variant c.304G>C (p.Gly102Arg)], generalized epilepsy with febrile seizures plus (GEFS+) [MIM: 604403] with SCN1A [MIM: 182389 c.5225A>G (p.Asp1742Gly)] variant [153], and non-syndromic hearing loss [MIM: 220290] due to a GJB2 variant [MIM: 121011 c.35delG (p.Gly12Valfs∗] [154] . This evidence concerns the gene SCN1A and cerebellar ataxia.