1. School of Nursing, University of Minho, 4710-057 Braga, Portugal
2. Nursing Research Centre, University of Minho, 4710-057 Braga, Portugal
3. School of Engineering, University of Minho, 4710-057 Braga, Portugal
4. Centro de Computação Gráfica, 4800-058 Guimarães, Portugal
5. Algoritmi Research Centre, University of Minho, 4710-057 Braga, Portugal
6. ICBAS, University of Porto, 4050-313 Porto, Portugal
7. CINTESIS@RISE, ICBAS, University of Porto, 4050-313 Porto, Portugal
8. Health Sciences Research Unit: Nursing (UICISA:E), Nursing School of Coimbra (ESEnfC), 3045-043 Coimbra, Portugal