AIFM1 and auditory neuropathy: Based on incidence data for non-syndromic hearing loss and auditory neuropathy, we excluded variants with an MAF >0.001.21, 22 Three variants remained—AIFM1 chrX 129267384:G>A; HS6ST2 chrX 131762528:G>A and VCX3A chrX 6452043:C>A—none of which are reported in the NHLBI Go Exome Sequencing Project (ESP) (6503 individuals) or the 1000 Genomes Project (1000G) (1092 individuals).