PT - JOURNAL ARTICLE ED - , TI - Figure caption AID - 10.1503/cmaj.115-0026 DP - 2015 Apr 07 TA - Canadian Medical Association Journal PG - 439--439 VI - 187 IP - 6 4099 - http://www.cmaj.ca/content/187/6/439.3.short 4100 - http://www.cmaj.ca/content/187/6/439.3.full SO - CMAJ2015 Apr 07; 187