AcknowledgementsHartmut Gobel2019-06-17T17:36:30+00:00
The work of the Headache Classification Committee of the International Headache Society is financially supported exclusively by the International Headache Society. There has been no commercial sponsorship of the International Classification of Headache Disorders, 3rd edition.
We gratefully acknowledge the support of Timothy Steiner, first for his efforts as honorary secretary of the Classification Committee and second for his work on copy-editing and preparation of this manuscript.