CASC15 and neuroblastoma: Many GWAS-defined neuroblastoma susceptibility genes have been identified including CASC15, BRCA1-associated RING domain protein 1 (BARD1), LMO1, DUSP12, DDX4, IL31RA, HSD17B12, HACE1, LIN28B, LINC00340, LOC729177 (FLJ44180), and NEFL.