1 Social and Cardiovascular Epidemiology Research Group, School of Medicine, University of Alcalá, Madrid, Spain; Escuela Nacional de Sanidad, Instituto de Salud Carlos III, Madrid, Spain.
2 Social and Cardiovascular Epidemiology Research Group, School of Medicine, University of Alcalá, Madrid, Spain; Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, MD, USA.
3 Social and Cardiovascular Epidemiology Research Group, School of Medicine, University of Alcalá, Madrid, Spain; Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, MD, USA; Department of Epidemiology, Atherothrombosis and Cardiovascular Imaging, Centro Nacional de Investigaciones Cardiovasculares, Madrid, Spain. Electronic address: [email protected].