1. Internal Medicine Universidad Pontificia Bolivariana Hospital Pablo Tobón UribeMedellínColombia
2. Immunology and Clinical Rheumatology Unit (UNIR) Group School of Health Sciences, Clínica Universitaria Bolivariana Universidad Pontificia BolivarianaMedellínColombia
3. School of Medicine Universidad Pontificia Bolivariana Medellín Colombia
4. Rheumatology Department Hospital Pablo Tobón UribeMedellínColombia