Correction: J Headache Pain 23, 46 (2022)

https://doi.org/10.1186/s10194-022-01396-x

Following the publication of the original article [1], we were notified of a mistake in the abstract: the 100% response rate in HFEM at week 12 is 5.9% (as correctly reported in figure 3) and NOT 9.9% as reported in the abstract and page 5.

The original article has been corrected.