1. Department of Cardiology and Angiology, University Heart Center Freiburg Bad Krozingen; Faculty of Medicine, University of Freiburg; Freiburg Germany
2. Institute for Medical Biometry and Statistics; Faculty of Medicine and Medical Center, University of Freiburg; Freiburg Germany
3. Department of Medicine, Faculty of Medicine; Dalhousie University, QE II Health Sciences Centre, Halifax Infirmary; Halifax Canada
4. Institute for Evidence in Medicine, Medical Center – University of Freiburg; Faculty of Medicine, University of Freiburg; Freiburg Germany
5. Department of Cardiology, Angiology, Haemostaseology and Medical Intensive Care; University Medical Centre Mannheim, Medical Faculty Mannheim, Heidelberg University; Mannheim Germany
6. European Center for AngioScience (ECAS) and German Center for Cardiovascular Research (DZHK) partner site Heidelberg/Mannheim, Mannheim, Germany; Mannheim Germany
7. Department of Infection, Immunity and Cardiovascular Disease; University of Sheffield; Sheffield UK
8. Cardiology Division, Beth Israel Deaconess Medical Center; Harvard Medical School; Boston MA USA