PT - JOURNAL ARTICLE AU - Sonal Singh AU - Yoon K. Loke AU - John G. Spangler AU - Curt D. Furberg TI - Authors’ response AID - 10.1503/cmaj.111-2072 DP - 2011 Sep 06 TA - Canadian Medical Association Journal PG - 1405--1407 VI - 183 IP - 12 4099 - http://www.cmaj.ca/content/183/12/1405.2.short 4100 - http://www.cmaj.ca/content/183/12/1405.2.full SO - CMAJ2011 Sep 06; 183