Authors: Richard Long; Vernon Hoeppner; Pamela Orr; Martha Ainslie; Malcolm King; Sylvia Abonyi; Maria Mayan; Dennis Kunimoto; Deanne Langlois-Klassen; Courtney Heffernan; Angela Lau; Dick Menzies Journal: Can Respir J Date: 2013-05-28 Impact factor: 2.409