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Article History

First Online: 3 May 2018

Competing interests

: O.D. has received research funding from the US NIH, GW Pharmaceuticals, Novartis and PTC Pharmaceuticals. He has equity in Egg Rock Holdings, Empatica, Engage Therapeutics, Pairnomix, Rettco and Tilray. He is the Principal Investigator for the North American SUDEP Registry and the SUDC Registry and Research Collaborative. He currently receives research funding from NIH and the US Centers for Disease Control and Prevention. He consults for the Center for Discovery. A.V. has received consultancy fees from UCB Pharma and research grants from Ovid, Pfizer and Takeda. T.J.O.B. has received research funding from Eisai, the National Health and Medical Research Council of Australia, the NIH, the Royal Melbourne Hospital Neuroscience Foundation and UCB Pharma. N.J. currently receives research funding from Alberta Health, the Canadian Institute of Health Research and the NIH, and is an associate editor of <i>Epilepsia</i> and serves on the editorial board of <i>Neurology</i>. I.E.S. has served on scientific advisory boards for BioMarin, Eisai, GlaxoSmithKline, Nutricia and UCB Pharma, sits on the editorial boards of <i>Epileptic Disorders</i> and <i>Neurology</i> and might accrue future revenue on a pending patent. I.E.S. has also received speaker honoraria from Athena Diagnostics, Eisai, GlaxoSmithKline, Transgenomics and UCB Pharma, has received funding for travel from Athena Diagnostics, Biocodex, BioMarin, Eisai, GlaxoSmithKline and UCB Pharma, and has received research support from the American Epilepsy Society, the Australian Research Council, CURE, the Health Research Council of New Zealand, the March of Dimes, the National Health and Medical Research Council of Australia, the NIH, the US Department of Defense Autism Spectrum Disorder Research Program, and Perpetual Charitable Trustees. P.P. has received honoraria from Eisai. All other authors declare no competing interests.