Authors: Sheldon W Tobe; James A Stone; Melissa Brouwers; Onil Bhattacharyya; Kimberly M Walker; Martin Dawes; Jacques Genest; Steven Grover; Gordon Gubitz; David Lau; Andrew Pipe; Peter Selby; Mark S Tremblay; Darren E R Warburton; Richard Ward; Vincent Woo; Lawrence A Leiter; Peter P Liu Journal: CMAJ Date: 2011-09-12 Impact factor: 8.262