Article 2 Autism Spectrum Disorder 2 Base Sequence 2 Child 2 Child, Preschool 2 DNA Mutational Analysis 2 Female 2 Genomics 2 Humans 2 Male 2 Mosaicism 2 Mutation 2 Nerve Tissue Proteins 2 Pedigree 2 SHANK3 gene SHANK3 protein, human 2 Sanger sequencing 2 Siblings 2 Whole Genome Sequencing 2 autism 2 bioinformatics 2 case report 2 child 2 clinical feature 2 codon 2 cytosine 2 disease severity 2 dna mutational analysis 2 epilepsy 2 exon 2