Social media data in research : provenance challenges?

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Vulnerable children, stigmatised smokers : The social construction of target audiences in media debates on policies regulating smoking in vehicles

Acknowledgements S.H., S.S. and S.D. developed the study concept and gained funding for the work. S.H. developed the study design. J.B. and H.W. drafted the manuscript. J.B. and H.W. developed the coding frame and coded the articles. S.H., S.S. and S.D. critically revised the manuscript. Funding The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This project was funded by Cancer Research UK (C47682/A16930) and the Scottish School of Public Health Research. Sheila Duffy is Chief Executive of ASH Scotland. Heide Weishaar and Shona Hilton are funded by the UK Medical Research Council as part of the Informing Healthly Public Policy programme (MC_UU12017-15) at the MRC/CSO Social and Public Health Sciences Unit, University of Glasgow. The authors declare no additional conflicting interest.