1. Department of Public Health Sciences, School of Medicine, University of Alcala, Madrid, Spain
2. Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
3. Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
4. Department of Cardiology, Mount Sinai School of Medicine, New York, NY, USA
5. Department of Preventive Medicine and Epidemiology, Loyola University Medical School, Maywood, IL, USA