1. Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
2. Department of General and Family Medicine, Family Health Unit (USF) Caminhos do Cértoma, Grouping of Health Centers (ACES) Baixo Mondego, Regional Health Administration (ARS) Centro, 3050-428 Mealhada, Portugal
3. Department of Community Medicine, Information and Health Decision Sciences (MEDCIDS), Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
4. CINTESIS@REISE, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal