1. Interdisciplinary Centre of Ultrasound Diagnostics, University Hospital Giessen and Marburg Philipps University Marburg Marburg Germany
2. Institute of Pathology and Cytology, University Hospital Giessen and Marburg Philipps University Marburg Marburg Germany
3. Department Allgemeine Innere Medizin (DAIM) Kliniken Hirslanden Bern Bern Switzerland
4. Pneumology, University Hospital Giessen and Marburg Philipps University Marburg Marburg Germany
5. Gastroenterology, Endocrinology, Metabolism and Clinical Infectiology, University Hospital Giessen and Marburg Philipps University Marburg Marburg Germany
6. Haematology, Oncology and Immunology, University Hospital Giessen and Marburg Philipps University Marburg Marburg Germany