1 Department of Neurology, Kantonsspital St Gallen, St Gallen CH-9007, Switzerland; Department of Clinical and Experimental Epilepsy, National Institute for Health Research University College London Hospitals Biomedical Research Centre, Institute of Neurology, University College London, London, UK; Chalfont Centre for Epilepsy, Chalfont St Peter, UK. Electronic address: m.galovic@ucl.ac.uk.
2 Department of Neurology, Kantonsspital St Gallen, St Gallen CH-9007, Switzerland.
3 Department of Clinical and Experimental Epilepsy, National Institute for Health Research University College London Hospitals Biomedical Research Centre, Institute of Neurology, University College London, London, UK; Chalfont Centre for Epilepsy, Chalfont St Peter, UK; Centre Hospitalier de l'Université de Montréal (CHUM), Hôpital Notre-Dame, Montréal, QC, Canada; Stichting Epilepsie Instellingen Nederland (SEIN), Heemstede, Netherlands.
4 Department of Clinical and Experimental Epilepsy, National Institute for Health Research University College London Hospitals Biomedical Research Centre, Institute of Neurology, University College London, London, UK; Chalfont Centre for Epilepsy, Chalfont St Peter, UK.