CNTNAP2 and schizophrenia: One of the selected haplotypes in CNTNAP2 carries a set of variants (rs802567, rs802569, rs802571, and rs802558) in full LD (r2 = 1 in Europeans) with rs802568, which was associated with schizophrenia and bipolar disorder in genome-wide association studies (the ancestral allele increases disease risk)53.