International guidelines
United Kingdom
Published by:National Institute for Health and Care Excellence
Last published:2021
Published by:British Association for the Study of Headache
Last published:2010
Europe
Published by:Danish Headache Society
Last published:2012
Published by:European Federation of Neurological Societies
Last published:2009
North America
Published by:American Academy of Neurology
Last published:2019 (re-affirmed 2022)
Published by:American Academy of Neurology
Last published:2019 (re-affirmed 2022)
Published by:American College of Radiology
Last published:2017
Rest of the world
Published by:International Headache Society
Last published:2018
Published by:WHO; European Headache Federation
Last published:2007
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