1. Intensive Care Unit, Algarve University Hospital Center (CHUA), 8000 Faro, Portugal
2. Faculty of Medicine and Biomedical Sciences, Algarve University, 8000 Faro, Portugal
3. Tavira Health Center, Algarve Health Administration, 8800 Tavira, Portugal
4. Nursing Department, Huelva University, 21001 Huelva, Spain
5. Nursing Department, Algarve University, 8000 Faro, Portugal
6. Health Sciences Research Unit: Nursing, 3000 Coimbra, Portugal