Other cell adhesion related genes that manifest cumulative p values < 10−6 in these analyses include BAI3, CLSTN2, CNTNAP2, CSMD1, CTNNA2, DAB1, DSCAM, NRXN1, PTPRD and SGCZ. Data from NRXN1 associations in smoking have been recently reviewed. We discuss several of the other genes here.