Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=29077990.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29077990/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29077990
	subscription/membership/fee required	Wiley	https://doi.org/10.1111/bjd.16089
	free resource	scite Smart Citations	https://scite.ai/reports/29077990
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/bjd/article-lookup/doi/10.1111/bjd.16089
Full text from	free resource	White Rose Research Online	https://eprints.whiterose.ac.uk/160556/