KCNQ3 and Rolandic epilepsy: KCNQ3 and KCNQ2 gene mutations segregate with various forms of Kv7.3/Kv7.2-channelepsies (Maljevic et al., 2008; D’Adamo et al., 2013) such as benign familial neonatal convulsion (BFNC) and rolandic epilepsy.