id	domain	url
dpc-3542	doi.org	https://doi.org/10.5826/dpc.1304s1a311s
dpc-3542	creativecommons.org	https://creativecommons.org/licenses/by-nc/4.0/
dpc-3542	dermoscopedia.org	https://dermoscopedia.org/dermoscopy_of_skin_of_color
dpc-3542	www.census.gov	www.census.gov/topics/population/race/about.html