Correction: J Headache Pain 23, 142 (2022)

https://doi.org/10.1186/s10194-022-01515-8

Following publication of the original article [1], the author group has identified an error in Fig. 1. The correct figure is given below.

Fig. 1
figure 1

Study design and visit schedule. mo: month; V: visit

The original article [1] has been corrected.