It was highlighted that in the original article [1] the data on categorical variables was wrongly arranged in Table 1 and there was an incorrect statement in the fourth paragraph of the Discussion section.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7081685 | PMC |
http://dx.doi.org/10.1186/s12889-020-08502-1 | DOI Listing |
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