Abstract
The authors wish to correct Figures 3–5 in this paper [1]. In all three figures, the y axis stated as a unit “milligram/kg” (mg/kg) instead of “microgram/kg” (µg/kg).
Highlights
Numbers in parentheses parentheses monitoring (2007–2010); (B) monitoring in the canton Berne (2011–2014)
For each each indicate the number of samples
Error bars represent the standard error of the means
Summary
The y axis stated as a unit “milligram/kg”
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