1. Faculty of Medicine, University of Coimbra, Portugal.
2. Rheumatology Department, Centro Hospitalar e Universitário de Coimbra EPE, and Coimbra Institute of Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Portugal.
3. Rheumatology Department, Centro Hospitalar e Universitário de Coimbra EPE, and Escola Superior de Enfermagem de Coimbra, Health Sciences Research Unit: Nursing (UICiSA:E), Coimbra, Portugal.
4. Rheumatology Department, Centro Hospitalar e Universitário de Coimbra EPE; Escola Superior de Enfermagem de Coimbra, Health Sciences Research Unit: Nursing (UICiSA:E), Coimbra; and Escola Superior de Enfermagem do Porto, Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Portugal.
5. Rheumatology Department, Centro Hospitalar e Universitário de Coimbra EPE, and Coimbra Institute of Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Portugal. jdasilva@chuc.min-saude.pt