Author Correction: Long working hours directly and indirectly (via short sleep duration) induce headache even in healthy white-collar men: cross-sectional and 1-year follow-up analyses

Abstract

The original version of this article unfortunately contained a mistake. The presentation of Tables 1 and 4 were incorrect. Statistical analyses, OR and the 95% CI in the original text and tables are based on the correct data. The corrected tables are given below.