title: Reader's guide to critical appraisal of cohort studies: 1. Role and design.
authors.affiliation: Kunin-Lunenfeld Applied Research Unit, Baycrest Centre for Geriatric Care, Toronto, ON, Canada.
authors.forename: Paula A
authors.initials: PA
authors.lastname: Rochon
authors.forename: Jerry H
authors.initials: JH
authors.lastname: Gurwitz
authors.forename: Kathy
authors.initials: K
authors.lastname: Sykora
authors.forename: Muhammad
authors.initials: M
authors.lastname: Mamdani
authors.forename: David L
authors.initials: DL
authors.lastname: Streiner
authors.forename: Susan
authors.initials: S
authors.lastname: Garfinkel
authors.forename: Sharon-Lise T
authors.initials: SL
authors.lastname: Normand
authors.forename: Geoffrey M
authors.initials: GM
authors.lastname: Anderson
mesh_terms: D015331:Cohort Studies; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D015983:Selection Bias