id	domain	url
dpc-4921	doi.org	https://doi.org/10.5826/dpc.1501a4921
dpc-4921	creativecommons.org	https://creativecommons.org/licenses/by-nc/4.0/
dpc-4921	www.ncbi.nlm.nih.gov	http://www.ncbi.nlm.nih.gov/books/nbk536995