1. SALBIS Research Group, Nursing Department, Faculty of Health Sciences Universidad de León León Spain
2. Nursing Department, School of Nursing, Physiotherapy and Podiatry Universidad Complutense de Madrid Madrid Spain
3. Microbiology Section, Medicine Department, School of Medicine Universidad Complutense de Madrid Madrid Spain
4. Nursing and Stomatology Department, Faculty of Health Science Universidad Rey Juan Carlos Madrid Spain
5. Research, Health and Podiatry Group Department of Health Sciences, Faculty of Nursing and Podiatry, Universidade da Coruña Ferrol Spain