1 Department of Nursing, University of Huelva, Huelva, Spain. Electronic address: angela.ortega@denf.uhu.es.
2 Department of Nursing, Physiotherapy, and Medicine, University of Almeria, Almería, Spain; Facultad Ciencias de la Salud, Universidad Autónoma de Chile, Providencia, Chile. Electronic address: mrf757@ual.es.
3 Department of Nursing, Physiotherapy, and Medicine, University of Almeria, Almería, Spain.
4 Department of Nursing, University of Huelva, Huelva, Spain. Electronic address: alba.gomez@denf.uhu.es.