Rheumatology Department, Centro Hospitalar Universitário de São João, Porto, Portugal; Center for Health Technology and Services Research (CINTESIS), Faculty of Medicine, University of Porto, Porto, Portugal; Corresponding author.
Rafaela Nicolau
Rheumatology Department, Centro Hospitalar Tondela Viseu, Viseu, Portugal
Lúcia Costa
Rheumatology Department, Centro Hospitalar Universitário de São João, Porto, Portugal
Miguel Bernardes
Rheumatology Department, Centro Hospitalar Universitário de São João, Porto, Portugal; Department of Medicine of Faculty of Medicine, University of Porto, Porto, Portugal