1. Department of Sociology. Medical Sociology, Universidad Pública de Navarra, Pamplona, Spain
2. I-COMMUNITAS - Institute for Advanced Social Research, Universidad Pública de Navarra, Pamplona, Spain
3. Medical Sociology Unit, Hannover Medical School, Hannover, Germany
4. Preventive Medicine and Public Health Unit, Universidad de Alicante, Alicante, Spain
5. CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
6. Department of Preventive Medicine and Public Health, Universidad Complutense de Madrid, Madrid, Spain
7. Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Madrid, Spain