Authors: Adeera Levin; Brenda Hemmelgarn; Bruce Culleton; Sheldon Tobe; Philip McFarlane; Marcel Ruzicka; Kevin Burns; Braden Manns; Colin White; Francoise Madore; Louise Moist; Scott Klarenbach; Brendan Barrett; Robert Foley; Kailash Jindal; Peter Senior; Neesh Pannu; Sabin Shurraw; Ayub Akbari; Adam Cohn; Martina Reslerova; Vinay Deved; David Mendelssohn; Gihad Nesrallah; Joanne Kappel; Marcello Tonelli Journal: CMAJ Date: 2008-11-18 Impact factor: 8.262