1. Nursing School, Universidade Católica Portuguesa, Rua Palma de Cima 1649-023 Lisbon, Portugal
2. Centre for Interdisciplinary Research in Health , Lisbon , Portugal
3. Hospital da Luz de Lisboa, Unidade de Cuidados Pós-Anestésicos, Lisbon, Portugal
4. CIDNUR (Nursing Research, Innovation and Development Centre of Lisbon) , Lisbon , Portugal
5. National School of Public Health, University of Évora, Évora, Portugal
6. Comprehensive Health Research Centre (CHRC) National School of Public Health, NOVA , Lisbon , Portugal