1. Health Institute Carlos III (ISCIII), 15706 Santiago de Compostela, Spain
2. Department of Rheumatology, Hospital de Mérida, 06800 Mérida, Spain
3. MEPER Group-Clinical and Translational Research in Pharmacogenetics and Personalized Medicine, Biosanitary Research Institute of Extremadura (INUBE), 06080 Badajoz, Spain
4. CICAB Clinical Research Center, Pharmacogenetics and Personalized Medicine Unit, Hospital Universitario de Badajoz, 06080 Badajoz, Spain
5. Department of Rheumatology, Hospital Universitario de Badajoz, 06080 Badajoz, Spain
6. Faculty of Medicine, Universidad de Extremadura, 06071 Badajoz, Spain