Name	Info	Provider	Link
	free resource	JMIR Publications	https://www.jmir.org/2019/2/e12913/
Health Occupations	free resource	MedlinePlus Health Information	https://medlineplus.gov/healthoccupations.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30762583/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/30762583
	free resource	Spiral, Imperial College Digital Repository	http://hdl.handle.net/10044/1/69280