1. Stichting Epilepsie Instellingen Nederland (SEIN); Zwolle The Netherlands
2. Department of Epidemiology; Medical School Twente; Enschede The Netherlands
3. Department of Research Methodology, Measurement and Data Analysis; University of Twente; Enschede The Netherlands
4. Department of Genetics; University Medical Center Utrecht; Utrecht The Netherlands
5. NIHR UCL Hospitals Biomedical Research Centre; UCL Institute of Neurology; London United Kingdom
6. Chalfont Centre for Epilepsy; Chalfont St. Peter United Kingdom