| Recruiting | N/A | 1000 | Europe, Canada, US, RoW | Blood draw, Existing samples | King's College London, King's College Hospital NHS Trust, Charles University, Czech Republic, Hopital Universitaire Robert-Debre, Vestre Viken Hospital Trust, The Hospital for Sick Children, Cardiff University, Odense University Hospital | Juvenile Myoclonic Epilepsy | 06/25 | 06/26 | | |