1. Health Economics and Outcomes Research Ltd; Cardiff UK
2. Swansea Centre for Health Economics; Swansea University; Swansea UK
3. Global Health Economics and Payer Analytics, AstraZeneca; Gaithersburg Maryland
4. Global Health Economics and Payer Analytics, AstraZeneca; Gothenburg Sweden
5. School of Medicine; University of Nottingham; Nottingham UK
6. University Hospital Llandough; Cardiff UK