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Kyla H Thomas, Michael N Dalili, José A López-López, Edna Keeney, David Phillippo, Marcus R Munafò, Matt Stevenson, Deborah M Caldwell & Nicky J Welton.

Kyla H Thomas ^1,*, Michael N Dalili ¹, José A López-López ¹, Edna Keeney ¹, David Phillippo ¹, Marcus R Munafò ^2,3,4, Matt Stevenson ⁵, Deborah M Caldwell ¹, Nicky J Welton ¹

¹ Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
² Faculty of Life Sciences, School of Psychological Science, University of Bristol, Bristol, UK
³ MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK
⁴ UK Centre for Tobacco and Alcohol Studies, University of Bristol, Bristol, UK
⁵ Health Economics and Decision Science, School of Health and Related Research, University of Sheffield, Sheffield, UK
^* Corresponding author Email: kyla.thomas@bristol.ac.uk

Declared competing interests of authors: Kyla H Thomas reports a Postdoctoral Fellowship (number PDF-2017-10-068) from the National Institute for Health Research (NIHR) for the conduct of this study. Nicky J Welton reports honoraria from the Association of the British Pharmaceutical Industry outside the submitted work. David Phillippo reports grants from the Medical Research Council during the conduct of the study, personal fees from the Association of the British Pharmaceutical Industry and personal fees from UCB S.A. (Brussels, Belgium) outside the submitted work. Edna Keeney reports personal fees from Novartis Pharmaceuticals UK (London, UK) and Pfizer Inc. (New York, NY, USA) outside the submitted work. Marcus R Munafò reports grants from Pfizer Inc. outside the submitted work.