POU3F4 and deafness: Variants c.536del (p. Leu180Serfs∗20) in TECTA and c.706G>A (p. Glu236Lys) in POU3F4 are novel, while c.3719 G>A (p. Arg1240Gln) in MYO7A and c.482+1986_1988del in HGF were previously reported in only very limited cases associated with deafness [43, 44].