1 Research Unit of Spanish Society of Rheumatology, Madrid, Spain.
2 Division of Rheumatology, Hospital Universitario de la Princesa, IIS-Princesa, Madrid, Spain.
3 Division of Cardiology, Hospital Lucus Augusti, Lugo, Spain.
4 Division of Epidemiology and Computational Biology, School of Medicine, University of Cantabria, Santander, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Spain.
5 Research Unit of Spanish Society of Rheumatology, Madrid, Spain; School of Medicine, Universidad de La Laguna, La Laguna, Tenerife, Spain; Division of Rheumatology, Hospital Universitario de Canarias, La Laguna, Tenerife, Spain.
6 Division of Rheumatology, Hospital Universitario Marqués de Valdecilla, Santander, Spain; Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Rheumatology Division, IDIVAL, Santander, Spain. Electronic address: [email protected].