CCDC68 and schizophrenia: Unfortunately, in our sample sizes, there was no allelic association with schizophrenia for any of the five SNPs [rs7914558 (CNNM2), rs10503253 (CSMD1), rs7004633 (MMP16), rs11191580 (NT5C2) and rs12966547 (CCDC68)] (p > 0.22, Table 1).