1. Vienna Hepatic Hemodynamic Laboratory, Divison of Gastroenterology and Hepatology, Department of Internal Medicine III; Medical University of Vienna; Vienna Austria
2. Divison of Gastroenterology and Hepatology, Department of Internal Medicine III; Medical University of Vienna; Vienna Austria
3. Department of Biomedical Imaging and Image-guided Therapy; Medical University of Vienna; Vienna Austria
4. Division of Gastroenterology, Hepatology, Endocrinology and Nephrology; Klinikum Klagenfurt am Wörthersee; Klagenfurt Austria