Name	Info	Provider	Link
	free resource	BioMed Central	https://trialsjournal.biomedcentral.com/articles/10.1186/s13063-016-1708-3
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/27955688/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/27955688
	free resource	scite Smart Citations	https://scite.ai/reports/27955688
Full text from	free resource	White Rose Research Online	https://eprints.whiterose.ac.uk/114920/