1. Nuffield Department of Clinical Neurosciences; John Radcliffe Hospital; Oxford United Kingdom
2. Department of Molecular and Clinical Pharmacology; University of Liverpool; Liverpool United Kingdom
3. Epilepsy Unit; Western Infirmary; Glasgow United Kingdom
4. Department of Clinical Neurology; Newcastle upon Tyne NHS Foundation Trust; Newcastle upon Tyne United Kingdom
5. Department of Neurology; Royal Hallamshire Hospital; Sheffield United Kingdom