1. Department of Internal Medicine I, University Hospital Jena, Am Klinikum 1, 07747 Jena, Germany
2. Else Kröner Graduate School for Medical Students “JSAM”, Jena University Hospital, 07747 Jena, Germany
3. Philochem AG, 8112 Otelfingen, Switzerland
4. Medical Faculty, Division of Cardiology, Pulmonology and Vascular Medicine, Heinrich-Heine University Düsseldorf, 40225 Düsseldorf, Germany
5. Department of Internal Medicine III, University Hospital Jena, 07747 Jena, Germany