Name	Info	Provider	Link
	free resource	S. Karger AG, Basel, Switzerland	https://doi.org/10.1159/000327076
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22163236/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/22163236