Erratum

After publication of the original article [1], the authors noticed that the article contained some errors in the data presented within Table 1, Figs. 1 and 2, and Tables 2 and 3.

Fig. 1
figure 1

Flow chart depicting the participation of subjects in the Korean Headache-Sleep Study

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Fig. 2
figure 2

Venn diagram for distribution of subjects with anxiety, depression and migraine

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Table 1 Sociodemographic distribution of all survey participants, the total Korean population, and of cases identified as migraine, anxiety and depression
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Table 2 Demographics, headache characteristics and associated symptoms of migraineurs according to anxiety and depression
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Table 3 Frequency, severity and impact of headache according to migraineurs’ anxiety and depression status
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The corrected versions are given in this erratum. The main findings of the original article are not affected after this correction. The authors apologise for any inconvenience this has caused.