title: Scope of EPOC is clarified.
authors.forename: Laura M
authors.initials: LM
authors.lastname: McAuley
authors.forename: Jeremy
authors.initials: J
authors.lastname: Grimshaw
authors.forename: Merrick
authors.initials: M
authors.lastname: Zwarenstein
mesh_terms: D003695:Delivery of Health Care; D006302:Health Services Research; D011364:Professional Practice; D012107:Research Design; D012196:Review Literature as Topic