Name	Info	Provider	Link
Pain	free resource	MedlinePlus Health Information	https://medlineplus.gov/pain.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32804299/
	subscription/membership/fee required	Springer	https://dx.doi.org/10.1007/s00482-020-00492-8
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/32804299