The first EHF Christmas Meeting will be held in Athens, focused on CGRP & Headache exclusively, in association with the Hellenic Headache Society. During the international forum the latest research advancements on headache will be reviewed, including workshops on further understanding the prevention and treatment of migraine and cluster headache. Established scientists of the European and International Community will present their work on CGRP pathways that change headache therapeutics essentially. Lectures, round tables discussions and workshops are included in the scientific programme.