Authors: Jeffrey M Drazen; Martin B Van Der Weyden; Peush Sahni; Jacob Rosenberg; Ana Marusic; Christine Laine; Sheldon Kotzin; Richard Horton; Paul C Hébert; Charlotte Haug; Fiona Godlee; Frank A Frizelle; Peter W de Leeuw; Catherine D DeAngelis Journal: CMAJ Date: 2009-10-13 Impact factor: 8.262