1. Department of Rheumatology Hospital Universitario de Santiago de Compostela Santiago de Compostela A Coruña Spain
2. Clinical Research Unit Spanish Society of Rheumatology (SER) Madrid Spain
3. Department of Rheumatology Hospital Universitario de Canarias Sta Cruz de Tenerife Spain
4. Medical Affairs MSD Spain Madrid Spain
5. Department of Rheumatology Hospital General Universitario de Alicante Alicante Spain
6. Department of Rheumatology Hospital San Jorge Huesca Spain
7. Department of Rheumatology Hospital Universitario de Salamanca Salamanca Spain
8. Department of Rheumatology Hospital General Universitario de Valencia Valencia Spain
9. Department of Rheumatology Hospital Universitario Miguel Servet Zaragoza Spain
10. Department of Rheumatology Hospital de la Santa Creu i Sant Pau Barcelona Spain
11. Department of Rheumatology Hospital Universitario Príncipe de Asturias Madrid Spain
12. Department of Rheumatology Hospital Universitario Son Llàtzer Palma de Mallorca Spain
13. Department of Rheumatology Hospital Universitario de Gran Canaria Doctor Negrín Las Palmas de Gran Canaria Spain
14. Department of Rheumatology Hospital Universitario Gregorio Marañón Madrid Spain