1. Department of Neurology; Virginia Commonwealth University; Richmond Virginia U.S.A
2. Department of Clinical Epileptology, Sleep Disorders, and Functional Pediatric Neurology; University Hospitals of Lyon; Lyon France
3. Epilepsy, Sleep, and Neurophysiology Section, Neurology Service; Hospital Sant Joan de Déu Barcelona; Barcelona Spain
4. Consulting and Neurological Services; Chapel Hill North Carolina U.S.A
5. Department of Neurological Sciences; Larner College of Medicine; University of Vermont; Burlington Vermont U.S.A
6. Division of Pediatric Neurology; Children's Hospital Los Angeles; Keck School of Medicine of the University of Southern California; Los Angeles California U.S.A
7. Departments of Neurology, Pediatrics, and Epidemiology and Population Health; Montefiore Medical Center; Albert Einstein College of Medicine; Bronx New York U.S.A