id	domain	url
dpc-2438	doi.org	https://doi.org/10.5826/dpc.1301a29
dpc-2438	creativecommons.org	https://creativecommons.org/licenses/by-nc/4.0/
dpc-2438	www.researchgate.net	https://www.researchgate.net
dpc-2438	www.ncbi.nlm.nih.gov	http://www.ncbi.nlm.nih.gov/pubmed/4248929