1. Histocompatibility Centre of Coimbra, Edifício São Jerónimo, 4 Piso, Praceta Mota Pinto, 3001-301 Coimbra, Portugal
2. College of Health Technology of Coimbra, S. Martinho do Bispo, 3046-854 Coimbra, Portugal
3. Rheumatology Department, University Hospital of Coimbra, 3000-075 Coimbra, Portugal
4. Faculty of Health Sciences, University of Beira Interior, 6200-506 Covilhã, Portugal
5. Faculty of Medicine, University of Coimbra, 3004-504 Coimbra, Portugal