AUTS2 and autism spectrum disorder due to AUTS2 deficiency: In 2013, Beunders et al. collected the clinical data of patients (17 individuals and 4 family members) carrying exonic AUTS2 deletions from a large cohort (49,684 samples) with ID and/or multiple congenital anomalies, and examined the genotype–phenotype correlations in AUTS2 syndrome [14].