1. Department of Internal Medicine, Division of Gastroenterology and Hepatology, Medical University of Graz, Austria
2. Department of Internal Medicine, LKH Hoergas-Enzenbach, Austria
3. Research Unit Molecular Diagnostics and Molecular Diagnostics Laboratory, IHMEM, Medical University of Graz, Austria
4. Department of Internal Medicine, Division of Pulmonology, Medical University of Graz, Austria
5. Section of Infectious Diseases, Bacteriology and Mycology Laboratory, IHMEM, Medical University of Graz, Austria
6. Department of Radiology, Medical University of Graz, Austria