1. Department of Nursing, Faculty of Health Sciences, University of Granada, 52071 Melilla, Spain
2. Department of Nursing, Faculty of Health Sciences, University of Granada, 51001 Ceuta, Spain
3. Department of Nursing, Faculty of Health Sciences, University of Granada, 18071 Granada, Spain
4. Department Quantitative Methods for Economics and Business, Faculty of Economics and Business Administration, University of Granada, 18071 Granada, Spain