Name	Info	Provider	Link
	free resource	JMIR Publications	https://www.researchprotocols.org/2020/1/e15058/
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31917372/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31917372
Full text from	free resource	Enlighten: Publications, University of Glasgow	https://eprints.gla.ac.uk/194716