Name	Info	Provider	Link
	free resource	HighWire	https://bmjopen.bmj.com/lookup/pmidlookup?view=long&pmid=28801384
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/28801384/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/28801384
	free resource	Dryad Digital Repository	https://datadryad.org/discover?query=10.1136/bmjopen-2016-012856
	free resource	scite Smart Citations	https://scite.ai/reports/28801384