PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.1503/cmaj.081087 DP - 2008 Aug 12 TA - Canadian Medical Association Journal PG - 344--344 VI - 179 IP - 4 4099 - http://www.cmaj.ca/content/179/4/344.short 4100 - http://www.cmaj.ca/content/179/4/344.full SO - CMAJ2008 Aug 12; 179