1. Rheumatology Department, Hospital de La Princesa, IIS-IPrincesa, Universidad Autónoma, Madrid, Spain
2. Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Rheumatology Division, Hospital Universitario Marqués de Valdecilla, IDIVAL, Santander, Spain
3. Health Research Institute of Santiago de Compostela (IDIS), Division of Rheumatology, Clinical University Hospital of Santiago de Compostela, Santiago de Compostela, Spain