[1] Univ Porto, Dept Community Med, Informat & Decis Hlth MEDCIS, Fac Med, P-4200450 Porto, Portugal
[2] Univ Porto, CINTESIS Ctr Hlth Technol & Serv Res, Fac Med, P-4200450 Porto, Portugal
[3] Univ Porto, Fac Med, P-4200450 Porto, Portugal
[4] Polytech Porto, Sch Educ, P-4200465 Porto, Portugal
[5] Polytech Porto, Sch Educ, INED Ctr Res & Innovat Educ, P-4200465 Porto, Portugal