1 From the Department of Neurology (L.N.), King's College Hospital; Department of Clinical and Experimental Epilepsy (F.R.-G.), National Hospital for Neurology and Neurosurgery, UCL Institute of Neurology, London; and Chalfont Centre for Epilepsy (F.R.-G.), UK. lina.nashef@nhs.net.
2 From the Department of Neurology (L.N.), King's College Hospital; Department of Clinical and Experimental Epilepsy (F.R.-G.), National Hospital for Neurology and Neurosurgery, UCL Institute of Neurology, London; and Chalfont Centre for Epilepsy (F.R.-G.), UK.