1 Department of Cardiology, University Heart and Vascular Center, Hamburg, Germany.
2 German Center for Cardiovascular Research (DZHK), partner site Hamburg/Kiel/Luebeck, Hamburg, Germany.
3 Boston University and National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA, USA. emelia@bu.edu.
4 Sections of Cardiovascular Medicine and Preventive Medicine, Boston Medical Center, Boston University School of Medicine, Boston, MA, USA. emelia@bu.edu.
5 Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA. emelia@bu.edu.