1 Department of Basic and Clinical Neuroscience, KCL-IOPP, London, UK; Department of Clinical Neurophysiology, KCH, London, UK; Department of Human Physiology, Universidad Complutense Madrid, Madrid, Spain. Electronic address: Antonio.valentin@kcl.ac.uk.
2 Department of Neurosurgery, KCH, London, UK.
3 Department of Paediatric Neurology, Evelina London Children's Hospital, Guy's and St Thomas' NHS Foundation Trust, London, UK.
4 Department of Clinical Neurophysiology, KCH, London, UK.
5 Department of Clinical Neurophysiology, Guy's and St Thomas' NHS Foundation Trust, London, UK.
6 Department of Basic and Clinical Neuroscience, KCL-IOPP, London, UK; Department of Human Physiology, Universidad Complutense Madrid, Madrid, Spain; Comprehensive Epilepsy Center Neuroscience Institute, Academic Health Systems, Hamad Medical Corporation, Doha, Qatar.