WT1 and syndromic intellectual disability: Complications included WAGR (Wilms’ tumor, aniridia, genitourinary anomalies, intellectual disability) syndrome in three patients (10.7%), premature chromatid separation/mosaic anomaly syndrome (premature chromatid separation/mosaic variegated aneuploidy syndrome (PCS/MVA syndrome) in one patient (3.6%), horseshoe kidney in one patient (3.6%), and aberrant pancreas in one patient (3.6%).