title: Need to define patient engagement in research.
authors.affiliation: CMAJ.
authors.forename: Shannon
authors.initials: S
authors.lastname: Lough
mesh_terms: D002170:Canada; D006302:Health Services Research / Q000458:organization & administration*; D006801:Humans; D017063:Outcome Assessment, Health Care / Q000458:organization & administration*; D010358:Patient Participation