1. Santiago de Compostela Health Area Galician Health Service (Servizo Galego de Saúde ‐ SERGAS). Spanish National Health System Santiago de Compostela Spain
2. Deputy Directorate‐General. Galician Health Service (Servicio Gallego de Salud SERGAS) Spanish National Health System Santiago de Compostela Galicia Spain
3. Department of Preventive Medicine and Public Health University of Santiago de Compostela Santiago de Compostela Spain
4. Consortium for Biomedical Research in Epidemiology & Public Health (CIBER en Epidemiología y Salud Pública – CIBERESP) Santiago de Compostela Spain
5. Health Research Institute of Santiago de Compostela (IDIS) Santiago de Compostela Galicia Spain