Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0166-445X(19)30638-1
Sun Exposure	free resource	MedlinePlus Health Information	https://medlineplus.gov/sunexposure.html
	free resource	Xenbase	https://www.xenbase.org/literature/article.do?method=display&articleId=48768