Name	Info	Provider	Link
	free resource	MDPI	https://www.mdpi.com/resolver?pii=s110505058
Arthritis	free resource	MedlinePlus Health Information	https://medlineplus.gov/arthritis.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22163890/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/22163890