1. Department of Medicine A, Hematology, Oncology and Pulmonary Medicine, University Hospital Münster, 48149 Münster, Germany
2. Department of Cardiovascular Medicine, Internal Intensive Care Medicine, University Hospital Münster, 48149 Münster, Germany
3. Medical Department IV, Pneumology, Respiratory Medicine and Thoracic Oncology, Klinikum Ingolstadt, 85049 Ingolstadt, Germany
4. Department of Internal Medicine II, University Hospital Regensburg, 93053 Regensburg, Germany
5. Department of Medicine B, Gastroenterology, Hepatology, Endocrinology and Clinical Infectiology, University Hospital Münster, 48149 Münster, Germany