1. Department for Internal Medicine III Cardiology Angiology and Pneumology; University Hospital Heidelberg; Heidelberg Germany
2. Infection, Immunity & Cardiovascular Disease; University of Sheffield; Sheffield UK
3. Institute for Medical Biometry and Statistics; Faculty of Medicine and Medical Center, University of Freiburg; Freiburg Germany
4. Institute of Health Informatics Research; University College London; London UK
5. Department of Cardiology and Angiology I, Heart Center; University of Freiburg; Freiburg Germany
6. Institute for Evidence in Medicine; Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg; Freiburg Germany