1. Department of Nursing Science, Physiotherapy and Medicine; University of Almeria; Almeria Spain
2. Faculty of Health Sciences; Universidad Autónoma de Chile; Temuco Chile
3. Department of Radiology; Inmaculada Hospital; Huércal Overa Spain
4. Adult, Child and Midwifery Department; School of Health and Education; Middlesex University; London UK
5. Torrecardenas Hospital; Almeria Spain