1. Dept. of Communication and Social Psychology; Univ. of Alicante; Carretera San Vicente del Raspeig s/n, 03690 San Vicente del Raspeig Alicante Spain
2. Dept. of Community Nursing, Preventive Medicine and Public Health and the History of Science; Univ. of Alicante; Carretera San Vicente del Raspeig s/n, 03690 San Vicente del Raspeig Alicante Spain
3. Public Health Research Group; Univ. of Alicante; Alicante Spain
4. CIBER Epidemiología y Salud Pública (CIBERESP); Spain