1 Nursing Department, Faculty of Health Sciences, Alfonso X el Sabio University, Avda. Universidad 1, Villanueva de la Cañada, Madrid, 28691, Spain. iherrpec@uax.es.
2 Foundation Alfonso X el Sabio University, Madrid, 28691, Spain. iherrpec@uax.es.
3 Nursing Department, Faculty of Health Sciences, Alfonso X el Sabio University, Avda. Universidad 1, Villanueva de la Cañada, Madrid, 28691, Spain.
4 Faculty of Health Sciences, Alfonso X el Sabio University, Madrid, 28691, Spain.