title: Stepped wedge cluster randomized trials are efficient and provide a method of evaluation without which some interventions would not be evaluated.
authors.forename: Karla
authors.initials: K
authors.lastname: Hemming
authors.forename: Alan
authors.initials: A
authors.lastname: Girling
authors.forename: James
authors.initials: J
authors.lastname: Martin
authors.forename: Simon J
authors.initials: SJ
authors.lastname: Bond
mesh_terms: D006801:Humans; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012107:Research Design