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Nick A Francis, Matthew J Ridd, Emma Thomas-Jones, Victoria Shepherd, Christopher C Butler, Kerenza Hood, Chao Huang, Katy Addison, Mirella Longo, Charis Marwick, Mandy Wootton, Robin Howe, Amanda Roberts, Mohammed Inaam-ul Haq, Vishnu Madhok, Frank Sullivan & on behalf of the CREAM team.

Nick A Francis ^1,*, Matthew J Ridd ², Emma Thomas-Jones ³, Victoria Shepherd ³, Christopher C Butler ^1,4, Kerenza Hood ³, Chao Huang ³, Katy Addison ³, Mirella Longo ⁵, Charis Marwick ⁶, Mandy Wootton ⁷, Robin Howe ⁷, Amanda Roberts ⁸, Mohammed Inaam-ul Haq ³, Vishnu Madhok ⁹, Frank Sullivan ¹⁰,

¹ Cochrane Institute of Primary Care and Public Health, School of Medicine, Cardiff University, Cardiff, UK
² Centre for Academic Primary Care, National Institute for Health Research School of Primary Care Research, School of Social and Community Medicine, University of Bristol, Bristol, UK
³ South East Wales Trials Unit, School of Medicine, Cardiff University, Cardiff, UK
⁴ Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
⁵ Swansea Centre for Health Economics, Swansea University, Swansea, UK
⁶ Population Health Sciences, School of Medicine, University of Dundee, Dundee, UK
⁷ Specialist Antimicrobial Chemotherapy Unit, Public Health Wales Microbiology Cardiff, University Hospital Wales, Cardiff, UK
⁸ Centre of Evidence Based Dermatology, University of Nottingham, Nottingham, UK
⁹ Park House Surgery, Surrey, UK
¹⁰ Department of Family and Community Medicine and Dalla Lana School of Public Health, North York General Hospital University of Toronto, Toronto, ON, Canada
^* Corresponding author Email: FrancisNA@cardiff.ac.uk