1. Centre for Health-Related Research, Bangor University, Bangor, UK
2. School of Healthcare Sciences, Cardiff University, Cardiff, UK
3. North Wales Organisation for Randomised Trials in Health (NWORTH), Bangor University, Bangor, UK
4. Cardiff School of Journalism, Media and Cultural Studies, Cardiff University, Cardiff, UK
5. Centre for Health Economics and Medicines Evaluation, Bangor University, Bangor, UK
6. Media Resources Centre, University Hospital of Wales, Cardiff, UK
7. Department of Child Health, Wales School of Medicine, Cardiff University, Cardiff, UK