1. Rheumatology Division, Hospital de La Princesa, IIS-Princesa, Catedra de EPID-Futuro, Universidad Autónoma de Madrid (UAM), Madrid, Spain
2. Division of Rheumatology and Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Hospital Universitario Marqués de Valdecilla, IDIVAL, Santander, Spain
3. Department of Medicine, University of Cantabria, Santander, Spain
4. Cardiovascular Pathophysiology and Genomics Research Unit, School of Physiology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa