1. Rheumatology Department, Centro Hospitalar Universitário de São João, Porto, Portugal
2. Center for Health Technology and Services Research (CINTESIS), Faculty of Medicine, University of Porto, Porto, Portugal
3. Department of Medicine of Faculty of Medicine, University of Porto, Porto, Portugal
4. Institute of Investigation and Innovation in Health, University of Porto, Porto, Portugal
5. INEB—National Institute of Biomedical Engineering, University of Porto, Porto, Portugal
6. USF BarcelSaúde do ACeS Cávado III Barcelos/Esposende, Barcelos, Portugal