Roberts, Katharine E. https://orcid.org/0000-0001-5301-0497
Ells, Louisa J.
McGowan, Victoria J.
Machaira, Theodora
Targett, Victoria C.
Allen, Rachel E.
Tedstone, Alison E.
Article History
Received: 3 June 2017
Revised: 12 June 2017
Accepted: 24 July 2017
First Online: 15 December 2017
Authors' contributions
: LJE, KR, VCT, REA and AET designed the study. LJE, KR, VJM and TM conducted the literature screening, data extraction and quality assurance. All authors were involved with interpreting the findings and writing the article.
: This project was funded by Public Health England (PHE) and produced through collaboration between Teesside University and PHE. At the time of writing these papers Katharine Roberts was employed by PHE, Louisa Ells was employed by Teesside University but has an academic secondment to PHE 2 days/week, Victoria McGowan and Theodora Machaira were employed by Teesside University and were contracted to work on this project for PHE. None of the authors have any conflicts of interest to declare. Ethical approval for this study was granted by the School of Health and Social Care’s Research Governance and Ethics Committee at Teesside University on 4 December 2014.
: The authors declare that they have no competing financial interests.
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