1. Department of Neurology, West China Hospital Sichuan University Chengdu China
2. Mental Health Center, West China Hospital Sichuan University Chengdu China
3. University College London Queen Square Institute of Neurology London UK
4. Chalfont Centre for Epilepsy Chalfont St Peter UK
5. Stichting Epilepsie Instellingen Nederland Heemstede the Netherlands