1. Vienna Hepatic Hemodynamic Lab, Divison of Gastroenterology and Hepatology, Department of Internal Medicine III Medical University of Vienna Vienna Austria
2. Division of Gastroenterology and Hepatology, Department of Internal Medicine III Medical University of Vienna Vienna Austria
3. Division for Internal Medicine I Medical University of Innsbruck Innsbruck Austria
4. Department of Internal Medicine I KH Barmherzige Brüder Vienna Vienna Austria