Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S1544-3191(18)30001-3
Quitting Smoking	free resource	MedlinePlus Health Information	https://medlineplus.gov/quittingsmoking.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29426612/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29426612
	free resource	scite Smart Citations	https://scite.ai/reports/29426612