1 Rheumatology Research Unit, Faculdade de Medicina, Instituto de Medicina Molecular, Universidade de Lisboa , Lisboa , Portugal.
2 Rheumatology Research Unit, Faculdade de Medicina, Instituto de Medicina Molecular, Universidade de Lisboa, Lisboa, Portugal; Rheumatology Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, EPE, Lisbon Academic Medical Centre, Lisboa, Portugal.
3 Rheumatology Department, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, EPE, Lisbon Academic Medical Centre , Lisboa , Portugal.
4 EpiDoC Unit, Chronic Diseases Research Center (CEDOC), NOVA Medical School, Universidade Nova de Lisboa , Lisboa , Portugal.
5 Musculoskeletal Diseases and Inflammation Research Group, Biomedicum Helsinki 1, Faculty of Medicine, Institute of Clinical Medicine, University of Helsinki , Helsinki , Finland.