We did not see damaging variants in FBXO11 or STAG1 in any controls (Table 1, Supplementary Data 2, Supplementary Data 3), while one out of 5002 control subjects from the large ADHD case–control dataset8 was found to have a PTV in CTNNA2 (Supplementary Data 3). Here, CTNNA2 is linked to attention deficit-hyperactivity disorder.