Ishaq Abu-Arafeh MBBS, MD, MRCP, FRCPCH is Consultant in Paediatrics and Paediatric Neurology at the Royal Hospital for Children, Glasgow and Forth Valley Royal Hospital, Larbert, UK. He has a major research interest in headache in children and adolescents. He is the chairman, Child and Adolescent Standing Committee, International Headache Society, President of the Scottish Paediatric Society, Co-Chair, Scottish Paediatric Surveillance Unit and Past Chairman, Paediatric committee, British Association for the Study of Headache. He is a member of the working group - International Classification of Headache Disorders, Medical Advisor, Cyclical Vomiting Syndrome Association UK, a member of the development group and later the steering group of the British Paediatric Neurology Association's Children Headache Teaching Course and Editor, "Childhood Headache"; First (2002) and second edition (2013). He is the author and co-author of over 40 peer reviewed scholarly articles and over 10 book chapters.Aynur Özge is Professor of Neurology, Algology and Clinical Neurophysiology, at the, Mersin University Faculty of Medicine, Department of Neurology, Mersin, Turkey. She is the chief of the headache outpatient department both for adults and children and adolescents, in the same department. She is the founder and coordinator of the Turkish Headache Database Project. She is a member of the Special Interest Group of Childhood and Adolescent Headache of the International Headache Society. She is also an active member of the Turkish Headache Society and Algology Society.