title: Disentangling secular trends and policy impacts in health studies: use of interrupted time series analysis.
authors.affiliation: Department of Primary Care and Public Health, School of Public Health, Imperial College, London W6 8RP, UK.
authors.forename: Utz J
authors.initials: UJ
authors.lastname: Pape
authors.forename: Christopher
authors.initials: C
authors.lastname: Millett
authors.forename: John Tayu
authors.initials: JT
authors.lastname: Lee
authors.forename: John T
authors.initials: JT
authors.lastname: Lee
authors.forename: Josip
authors.initials: J
authors.lastname: Car
authors.forename: Azeem
authors.initials: A
authors.lastname: Majeed
mesh_terms: D006291:Health Policy; D006302:Health Services Research / Q000379:methods*; D006801:Humans; D012107:Research Design
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