title: Cluster randomised trials with repeated cross sections: alternatives to parallel group designs.
authors.affiliation: Centre for Primary Care & Public Health, Queen Mary University of London, London E1 2AB, UK r.l.hooper@qmul.ac.uk.
authors.forename: Richard
authors.initials: R
authors.lastname: Hooper
authors.affiliation: Health and Wellbeing Research Institute, Sheffield Hallam University, Sheffield, UK.
authors.forename: Liam
authors.initials: L
authors.lastname: Bourke
mesh_terms: D016000:Cluster Analysis; D003430:Cross-Sectional Studies; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012107:Research Design