Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31762353/
	free resource	Taylor & Francis	https://www.tandfonline.com/doi/full/10.1080/17453674.2019.1695351
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31762353
Full text from	free resource	Linkoping University Electronic Press	http://liu.diva-portal.org/smash/get/diva2:1379014/FULLTEXT01.pdf