HAPLN4 and schizophrenia: In two of these instances, overexpression was associated with both schizophrenia and BIP: HAPLN4—(schizophrenia: ZTWAS = 5.03, P = 4.66 × 10−7), (BIP: ZTWAS = 5.6506, P = 1.6 × 10−8)], and NEK4—(schizophrenia: ZTWAS = 5.34, P = 9.25 × 10−8), (BIP: ZTWAS = 5.13, P = 2.9 × 10−7).