1. Department of Nursing and Podiatry, Faculty of Health Sciences, University of Malaga, Arquitecto Francisco Peñalosa 3, Ampliación de Campus de Teatinos, 29071 Malaga, Spain
2. Department of Biomedical Sciences and Diagnosis, University of Salamanca, C/Alfonso X el Sabio S/N, 37007 Salamanca, Spain
3. Research Group CTS1068, Andalusia Research Plan, Junta de Andalucía, Nursing Department, Faculty of Health Sciences, University of Granada, 18071 Granada, Spain
4. San Cecilio Clinical University Hospital, 18016 Granada, Spain
5. Social Research Unit on Health and Rare Diseases, Sociology and Social Work Department, University of Valladolid, 47002 Valladolid, Spain