1. Pain Centre Versus Arthritis and NIHR Nottingham BRC, Academic Rheumatology University of Nottingham Nottingham UK
2. Health Preference Assessment RTI Health Solutions Belfast UK
3. Queen’s University of Belfast Belfast UK
4. Health Economics and Outcomes Research Pfizer, Ltd Surrey UK
5. Pfizer, Ltd Surrey UK
6. Statistics Pfizer, Inc Groton Connecticut USA
7. Worldwide Medical and Safety Pfizer, Inc Collegeville Pennsylvania United States
8. Health Preference Assessment RTI Health Solutions Research Triangle Park North Carolina USA
9. Eli Lilly Research Laboratories Eli Lilly and Company Indianapolis Indiana USA
10. Department of Anesthesiology and Pain Research University of Washington Seattle Washington USA