Affiliation: | 1. Public Health Research Group, University of Alicante, Alicante, Spain;2. Department of Community Nursing, Preventive Medicine and Public Health and History of Science, Faculty of Health Sciences, University of Alicante, Alicante, Spain;3. Department of Optometry, Faculty of Health Sciences, University of Lurio, Nampula, Mozambique;4. CIBER de Epidemiología y Salud Pública (CIBERESP), Spain |