1. Principality of Asturias Health Service, 33001 Oviedo, Spain
2. SALBIS Research Group, Department of Nursing and Physiotherapy, Faculty of Health Sciences, Campus de Ponferrada, Universidad de León, 24401 León, Spain
3. Nursing Research, Innovation and Development Centre of Lisbon (CIDNUR), Nursing School of Lisbon, 1600-190 Lisbon, Portugal
4. Department of Nursing and Physiotherapy, Campus de Ponferrada, Universidad de León, 24401 León, Spain