title: Reply.
authors.affiliation: Department of Clinical Neurophysiology, Great Ormond Street Hospital NHS Foundation Trust, London, UK.
authors.forename: Matthew
authors.initials: M
authors.lastname: Pitt
authors.affiliation: Department of Neurology, University of California Los Angeles David Geffen School of Medicine, Los Angeles, California, USA.
authors.forename: Joe
authors.initials: J
authors.lastname: Jabre