Name	Info	Provider	Link
	free resource	Digital CSIC Spanish National Research Council	http://hdl.handle.net/10261/216653
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0006-3495(12)00331-1
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22824271/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/22824271