Correction: High exposure to endotoxin in farming is associated with less new-onset pollen sensitisation

Elholm G, Schlünssen V, Doekes G, et al. High exposure to endotoxin in farming is associated with less new-onset pollen sensitisation. Occup Environ Med 2018;75:139–47. doi: 10.1136/oemed-2017-104384.

On page 2, column 2, 4th line the text reads ‘Samples were stored at 20°C until extraction...’ It should read ‘–20°C’.

On page 2, column 2, line 34 the text reads ‘For endotoxin and dust the median cumulative exposure was 6.4 (0–70.9) mg/m³x years and 1803 (0–31,677) EU/m³x years, respectively.’ The numbers have been switched around so they no longer correspond to the correct exposure. The sentence should therefore read ‘For endotoxin and dust the median cumulative exposure was 1803 (0–31,677) EU/m³x years and 6.4 (0–70.9) mg/m³x years, respectively.’

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