id	domain	url
educatio-1689	creativecommons.org	http://creativecommons.org/licenses/by-sa/4.0
educatio-1689	creativecommons.org	http://creativecommons.org/licenses/by-sa/4.0
educatio-1689	pubmed.ncbi.nlm.nih.gov	https://pubmed.ncbi.nlm.nih.gov/25429276
educatio-1689	pubmed.ncbi.nlm.nih.gov	https://pubmed.ncbi.nlm.nih.gov/25429276