1. Centre for Trials Research, College of Biomedical & Life Sciences, Cardiff University, Cardiff, United Kingdom
2. Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom
3. Cardiff School of Sport & Health Science, Cardiff Metropolitan University, Cardiff, United Kingdom
4. School of Healthcare Sciences, Cardiff University, Cardiff, United Kingdom
5. Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, United Kingdom
6. Independent Researcher, Cardiff, South Glamorgan, United Kingdom