PARK2 CNV status was confirmed by an Illumina Infinium Omni2.5-8 bead array that showed PARK2 CNVs, spanning exon 2 of transcript NM_004562 (Figures S3A and S5) (PARK2 CNV hg19 position: PARK2 CNV DUPLICATION/ADHD chr6:162737426-162882874; PARK2 CNV DELETION/ADHD chr6:162719417-162914986). This evidence concerns the gene PRKN and attention deficit-hyperactivity disorder.