Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30255349/
	subscription/membership/fee required	Springer	https://dx.doi.org/10.1007/s40264-018-0736-1
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/30255349
	free resource	scite Smart Citations	https://scite.ai/reports/30255349
	free resource	Spiral, Imperial College Digital Repository	http://hdl.handle.net/10044/1/64639