1. Guys Hospital and St Thomas NHS Trust, London, UK. bruce.kirkham@gstt.nhs.uk
2. Griffith University, Brisbane, Australia.
3. Hospital de Sant Joan Despí Moisès Broggi, Spain.
4. Section of Rheumatology, University of Santo Tomas Hospital, Manila, Philippines.
5. Novartis Pharma AG, Basel, Switzerland.
6. Novartis Farmaceutica SA, Barcelona, Spain.
7. Swedish Medical Center/Providence St. Joseph Health and University of Washington, Seattle, WA, USA.