KCNQ4 and sensorineural hearing loss disorder: We identified four potential causative variants of SNHL: three are novel (c.811_816del:p.A271_D272del (SB155), c.G956 > A:p.G319D (SB356), and c.G992 > A:p.R331Q of KCNQ4 (SB62)) (Fig. 1b).