1. Andalusian Health Service, San Agustin Hospital, Linares, Spain
2. Nursing Department, University of Jaen, Jaen, Spain
3. Department of Nursing, Physiotherapy and Occupational Therapy, Ciudad Real Faculty of Nursing, University of Castilla-La Mancha, Ciudad Real, Spain
4. Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain