[1
]Division of Gastroenterology and HepatologyDepartment of Internal Medicine IIIMedical
University of ViennaViennaAustria
[2
]Vienna Hepatic Hemodynamic LaboratoryMedical University of ViennaViennaAustria
[3
]Clinical Institute of PathologyMedical University of ViennaViennaAustria
[4
]Division of General SurgeryDepartment of SurgeryMedical University of ViennaViennaAustria