1. San Agustin Hospital, Andalusian Health Service, 23700 Linares, Spain
2. Nursing Department, University of Jaen, 23071 Jaen, Spain
3. Department of Nursing, Physiotherapy and Occupational Therapy, Ciudad Real Faculty of Nursing, University of Castilla-La Mancha, 13071 Ciudad Real, Spain
4. Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain