Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29423765/
	subscription/membership/fee required	Springer	https://dx.doi.org/10.1007/s12149-018-1238-z
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29423765
	free resource	scite Smart Citations	https://scite.ai/reports/29423765
	free resource	Spiral, Imperial College Digital Repository	http://hdl.handle.net/10044/1/58545