1 Oxford Epilepsy Research Group, National Institute for Health Research Oxford Biomedical Research Centre, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, Oxford, UK.
2 Neurology Clinic, University of Perugia - S. Maria della Misericordia Hospital, Perugia, Italy.
3 IRCCS Istituto delle Scienze Neurologiche di Bologna, Neurology and Metropolitan Stroke Network, "C.A. Pizzardi" Maggiore Hospital, Bologna, Italy.