1. Stichting Epilepsie Instellingen Nederland (SEIN) Zwolle The Netherlands
2. Centre of Molecular Medicine University Medical Center Utrecht Utrecht The Netherlands
3. NIHR UCL Hospitals Biomedical Research CentreUCL Institute of NeurologyQueen SquareLondon WC1N 3BG & Chalfont Centre for Epilepsy Chalfont UK
4. Department of Human Genetics University Medical Center Utrecht Utrecht The Netherlands