Heterozygous loss-of-function mutations in YAP1 cause both isolated and syndromic optic fissure closure defects. by Williamson, K, Rainger, J, Floyd, J, Ansari, M, Meynert, A, Aldridge, K, Rainger, J, Anderson, C, Moore, A, Hurles, M, Clarke, A, van Heyningen, V, Verloes, A, Taylor, MS, Wilkie, A, Fitzpatrick, DR