SERINC2 and Potocki-Shaffer syndrome: In the DECIPHER database, we identified two CNVs of slightly larger size encompassing SERINC2; a 377.2-kb microdeletion that has been reported in a patient with seizure (patient 289527 in Supplementary Figure 1b), and a 434.6-kb microduplication reported in a patient with ID and short attention span who also has Potocki-Shaffer syndrome.