PDE6H and Macrocephaly: The common candidate genes are WBP11, C12ORF60, PDE6H, RERG, PTPRO, EPS8, STRAP, and LMO3 for corpus collosum and white matter and RERGL, PLEKHA5, AEBP2, SLCO1C1, SLCO1C2, LDHB, ABCC9, CMAS, ST8SIA1, and ETNK1 for macrocephaly.