Authors: Robyn Tamblyn; Michal Abrahamowicz; Dale Dauphinee; Elizabeth Wenghofer; André Jacques; Daniel Klass; Sydney Smee; David Blackmore; Nancy Winslade; Nadyne Girard; Roxane Du Berger; Ilona Bartman; David L Buckeridge; James A Hanley Journal: JAMA Date: 2007-09-05 Impact factor: 56.272