id	domain	url
dpc-1996	doi.org	https://doi.org/10.5826/dpc.1202a99
dpc-1996	creativecommons.org	https://creativecommons.org/licenses/by-nc/4.0/
dpc-1996	clinicaltrials.gov	https://clinicaltrials.gov/ct2/show/nct02739828