1. Divsion of Gastroenterology and Hepatology, Department of Internal Medicine III; Medical University of Vienna; Vienna Austria
2. Vienna Hepatic Hemodynamic Laboratory, Medical University of Vienna; Vienna Austria
3. Division of Gastroenterology and Hepatology; Krankenanstalt Rudolfstiftung, Krankenanstaltenverbund Wien (KAV); Vienna Austria
4. Division of Gastroenterology and Hepatology; Universitätsklinikum St. Pölten; St. Pölten Austria
5. Wilhelminenspital, Krankenanstaltenverbund Wien (KAV); Vienna Austria
6. Sigmund Freud University, Private Medical School; Vienna Austria
7. Division of Rheumatology, Department of Internal Medicine III; Medical University of Vienna; Vienna Austria
8. Division of General Surgery, Department of Surgery; Medical University of Vienna; Vienna Austria
9. Krankenhaus Hietzing mit Neurologischem Zentrum Rosenhügel, Krankenanstaltenverbund Wien (KAV); Vienna Austria