1. Department of Epidemiology, Atherothrombosis and Imaging, Centro Nacional de Investigaciones Cardiovasculares, Melchor Fernández Almagro 3, Madrid, Spain;
2. Department of Anesthesiology and Critical Care Medicine, University of Münster, Münster, Germany;
3. Max Planck Institute Münster, Münster, Germany; and
4. Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX