(A-L) Bar plots depicting expression patterns of genes encoding Nav channel α and β subunits (A), Kv1 subunits (B), Kv2 subunits (C), Kv3 subunits (D), Kv4 subunits (E), Kv5 and Kv6 subunits (F), Kv7 subunits (G), Kv8 subunits (I), Kv9 subunits (H), Kv10 subunits (J), inward-rectifier potassium channel subunits (Kir, IRK) (K) and calcium-activated potassium channel α subunits (L). Data are reported as mean ± standard deviation (SD).