Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30906403/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/30906403
	free resource	Korean Dementia Association	https://dnd.or.kr/DOIx.php?id=10.12779/dnd.2018.17.4.137