A genome-wide copy number variant (CNV) association study for schizophrenia (SZ), bipolar disorder (BP) and major depression (MD) will be conducted at deCODE genetics using a discovery sample of 2400 affected (800 SZ, 600 BP, 1,000 MD) and 20,000 controls. CNV data will be generated from the newly released HumanCNV370-Duo array designed by deCODE genetics and Illumina. In this array there are abou ...