Novel homozygous splicing mutations in ARL2BP cause autosomal recessive retinitis pigmentosa by Fiorentino, A, Yu, J, Arno, G, Pontikos, N, Halford, S, Broadgate, S, Michaelides, M, Carss, K, Raymond, F, Cheetham, M, Webster, A, Downes, S, Hardcastle, A, NIHR-BioResource Rare Diseases Consortium, UK Inherited Retinal Dystrophy Consortium