id	domain	url
anthro_age-10	www.cdc.gov	http://www.cdc.gov/hrqol/pubs
anthro_age-10	www.statcan.gc.ca	www.statcan.gc.ca/pub/89-519-x/89-519-x2006001-eng
anthro_age-10	www.cra-arc.gc.ca	http://www.cra-arc.gc.ca/tx
anthro_age-10	www.who.int	http://www.who.int/healthinfo/survey