Multi-trait genome-wide association study identifies new loci associated with optic disc parameters. - Bonnemaijer, Pieter W. M.; Leeuwen, Elisabeth M. van; Iglesias, Adriana I.; Gharahkhani, Puya; Vitart, Veronique; Khawaja, Anthony P.; Simcoe, Mark; Höhn, René; Cree, Angela J.; Igo, Rob P.; International Glaucoma Genetics Consortium; Burdon, Kathryn P.; et al. (Communications Biology, 2019)