Authors: Shannon Scott; Lisa Hartling; Jeremy Grimshaw; David Johnson; Martin Osmond; Amy Plint; Rollin Brant; Jamie C Brehaut; Ian D Graham; Gillian Currie; Nicola Shaw; Maala Bhatt; Tim Lynch; Liza Bialy; Terry Klassen Journal: Implement Sci Date: 2009-09-22 Impact factor: 7.327