Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0014-4886(09)00313-6
Movement Disorders	free resource	MedlinePlus Health Information	https://medlineplus.gov/movementdisorders.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=19679127.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/19679127/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/19679127