1. Department of Nursing, ESSCVP Alto Tâmega, 5400-673 Chaves, Portugal
2. Department of Nursing, University of Rovira i Virgili, 43003 Tarragona, Spain
3. Department of Nursing, University of Évora, 7000-811 Évora, Portugal
4. Comprehensive Health Research Centre (CHRC), University of Évora, 7000-811 Évora, Portugal
5. Nursing School of Porto, CINTESIS of University of Porto, 4200-072 Porto, Portugal