Correction: Anxiety and the severity of Tension-Type Headache mediate the relation between headache presenteeism and workers' productivity.

[This corrects the article DOI: 10.1371/journal.pone.0201189.].

Fig 1 is incorrect. The authors have provided a corrected version here.

Fig 1

Hypothesized structural equation model relating headache presenteeism to health-related loss of productivity.