About the Authors

Amy Hai Yan Chan

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

a.chan@auckland.ac.nz

Affiliations School of Pharmacy, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, New Zealand, Centre of Behavioural Medicine, School of Pharmacy, University College London, London, United Kingdom

Holly Foot

Roles Data curation, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

Affiliation School of Pharmacy, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, New Zealand

Christina Joanne Pearce

Roles Data curation, Formal analysis, Writing – review & editing

Affiliation Centre of Behavioural Medicine, School of Pharmacy, University College London, London, United Kingdom

Rob Horne

Roles Methodology, Supervision, Writing – review & editing

Affiliation Centre of Behavioural Medicine, School of Pharmacy, University College London, London, United Kingdom

Juliet Michelle Foster

Roles Methodology, Supervision, Writing – review & editing

Affiliation Woolcock Institute of Medical Research, University of Sydney, Sydney, Australia

Jeff Harrison

Roles Conceptualization, Methodology, Supervision, Writing – review & editing

Affiliation School of Pharmacy, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, New Zealand

Competing Interests

AC provides freelance consultancy to UCL-Business spin-out company Spoonful of Sugar Ltd., and Janssen-Cilag, and has received research grants from A+ charitable trust (Auckland District Health Board), Maurice and Phyllis Paykel trust, Universitas 21, New Zealand Pharmacy Education Research Fund, Auckland Academic Health Alliance, Asthma UK, University of Auckland, Health Research Council, and Oakley Mental Health Foundation, outside the submitted work, is the holder of the Robert Irwin Postdoctoral Fellowship; HF provides freelance consulting UCL-Business spin-out company Spoonful of Sugar Ltd.; RH has received research grants from NIHR, and Asthma UK, and consultancy fees from Medical Innovation Academic Consortium (CASMI), AbbVie, Amgen, Biogen, Idec, Gilead Sciences, GlaxoSmithKline, Janssen, Pfizer, Roche, Shire Pharmaceuticals, MSD, Astellas, AstraZeneca, DRSU, Novartis, Universitatsklinikum Hamburg-Eppendorf, and Teva Pharmaceuticals, and is the Founder and Director of UCL-Business spin-out company Spoonful of Sugar Ltd., outside the submitted work. All other authors declare no financial relationships with any organisations that might have an interest in the submitted work in the previous three years and no other relationships or activities that could appear to have influenced the submitted work. This does not alter our adherence to all PLOS ONE policies on sharing data and materials.