1. Sobell Department of Motor Neuroscience and Movement Disorders; University College London (UCL) Institute of Neurology; Queen Square London UK
2. Department of Neurology; University Hospital Zurich; Zurich Switzerland
3. Department of Neurology; Kantonsspital St. Gallen; St. Gallen Switzerland
4. Neurological Center Rosenhuegel and Karl Landsteiner Institute for Epilepsy Research and Cognitive Neurology; Vienna Austria
5. UK National Institute for Health Research; University College London Hospitals Biomedical Research Centre
6. Department of Clinical and Experimental Epilepsy, University College London (UCL) Institute of Neurology, London, UK; Epilepsy Society; Chalfont St. Peter UK
7. Department of Neurology; University Medical Center Hamburg-Eppendorf; Hamburg Germany
8. Department of Molecular Neuroscience; University College London (UCL) Institute of Neurology and Division of Neuropathology, The National Hospital for Neurology and Neurosurgery; London UK
9. Department of Genetics; Inselspital Bern; Bern Switzerland
10. Department of Human Genetics; Medizinisches Versorgungszentrum (MVZ) Labor Fenner GmbH; Hamburg Germany
11. Clinic of Neuroradiology; University Hospital Zurich; Zurich Switzerland