1. Health and Podiatry Group, Department of Health Sciences, Faculty of Nursing and Podiatry, Universidade da Coruña, A Coruña, Spain, Spain
2. Instituto de Investigaciones Sanitarias de Santiago (IDIS), Santiago de Compostela, Spain, Spain
3. Health and Podiatry Group, Department of Health Sciences, Faculty of Nursing and Podiatry, Spain
4. Facultad de Enfermería, Spain
5. Faculty of Health Sciences, Spain
6. Otorhinolaryngology, Escuela Universitaria (EU), Spain
7. Health and Podiatry Group, Spain