title: Consort 2010 statement: extension to cluster randomised trials.
authors.affiliation: Health Services Research Unit, University of Aberdeen, UK. m.k.campbell@abdn.ac.uk
authors.forename: Marion K
authors.initials: MK
authors.lastname: Campbell
authors.forename: Gilda
authors.initials: G
authors.lastname: Piaggio
authors.forename: Diana R
authors.initials: DR
authors.lastname: Elbourne
authors.forename: Douglas G
authors.initials: DG
authors.lastname: Altman
mesh_terms: D016000:Cluster Analysis; D003627:Data Interpretation, Statistical; D006801:Humans; D011897:Random Allocation; D016032:Randomized Controlled Trials as Topic / Q000379:methods / Q000592:standards*; D018401:Sample Size