of Cluster Headache
div class=”ChapterContextInformation”> © Springer Nature Switzerland AG 2020Massimo Leone and Arne May (eds.)Cluster Headache and other Trigeminal Autonomic CephalgiasHeadachehttps://doi.org/10.1007/978-3-030-12438-0_2 2. Epidemiology of Cluster Headache Michael Bjørn Russell1, 2 (1) Head and Neck Research Group, Research Center, Akershus…