FUT2 and ocular melanoma: Screening of DNA samples from 609 additional multi-ethnic families and simplex case subjects with OM by direct Sanger sequencing, linkage analysis, Fisher exact, and transmission disequilibrium tests revealed several other FUT2 variants (p.Arg138Cys, p.Trp154∗, and p.Ala104Val) that confer susceptibility to OM (Santos-Cortez et al., 2018).