1. Department of Nursing, Faculty of Nursing and Occupational Therapy, University of Extremadura, Cáceres, Extremadura, Spain
2. Department of Nursing, Internal Medicine Unit, Llerena General Hospital, Badajoz, Extremadura, Spain
3. Department of Nursing, Faculty of Nursing, University of Extremadura, Plasencia, Extremadura, Spain
4. Department of Nursing, Faculty of Health Sciences, University of Jaén, Andalusia, Spain