After publication, the authors noticed some minor errors in "Nested qualitative sub-study" section, first paragraph of the section, page 7 of the published article.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6215351 | PMC |
http://dx.doi.org/10.1186/s12904-018-0373-6 | DOI Listing |
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