[1]Cheeloo College of Medicine;
Shandong University;
Jinan 250012;
Shandong Province;
China;
[1]Cheeloo College of Medicine;
Shandong University;
Jinan 250012;
Shandong Province;
China;
[2]First Hospital of Handan;
Handan 056002;
Hebei Province;
China;
[3]Department of Neurology;
Affiliated Hospital of Jining Medical University;
Jining 272000;
Shandong Province;
China;
[3]Department of Neurology;
Affiliated Hospital of Jining Medical University;
Jining 272000;
Shandong Province;
China;
Epilepsy; Language impairment; Mental retardation; De novo mutation of CNKSR2; X-linked epilepsy-aphasia syndrome;