[1] Ctr Hosp Vila Nova Gaia Espinho, Dept Rheumatol, Vila Nova De Gaia, Portugal
[2] Ctr Hosp Univ Sao Joao, Dept Rheumatol, Porto, Portugal
[3] Ctr Hosp Tondela Viseu, Dept Rheumatol, Viseu, Portugal
[4] Ctr Hosp Univ Coimbra, Dept Rheumatol, Coimbra, Portugal
[5] Hosp Garcia Orta, Dept Rheumatol, Almada, Portugal
[6] Ctr Hosp Baixo Vouga, Rheumatol Dept, Aveiro, Portugal
[7] Hosp Egas Moniz, Ctr Hosp Lisboa Ocidental, Dept Rheumatol, Lisbon, Portugal
[8] NOVA Med Sch, Comprehens Hlth Res Ctr CHRC, Lisbon, Portugal
[9] Ctr Hosp Univ Lisboa Norte, Dept Rheumatol, Ctr Acad Med Lisboa, Lisbon, Portugal
[10] Ctr Acad Med Lisboa, Inst Med Mol, Unidade Invest Reumatol, Lisbon, Portugal
[11] Hosp Sousa Martins, Rheumatol Dept, Unidade Local Saude Guarda, Guarda, Portugal
[12] Hosp SantAna, Rheumatol & Osteoporosis Unit, SCML, Cascais, Portugal
[13] Ctr Hosp Univ Cova Da Beira, Rheumatol Dept, Covilha, Portugal
[14] Hosp Distrital Leiria, Rheumatol Dept, Leiria, Portugal
[15] Dept Rheumatol, Unidade Local Saude Alto Minho, Ponte do Lima, Portugal
[16] Hosp Div Espirito Santo, Rheumatol Dept, Ponta Delgada, Portugal