1. Department of Radiology, Charité Campus Virchow-Clinic, Medical Faculty, Humboldt-University, Berlin, Germany
2. Department of Interventional Radiology, Johann Wolfgang Goethe University, Frankfurt, Germany
3. Department of General and Transplantation Surgery, Charité Campus Virchow-Clinic, Medical Faculty, Humboldt-University, Berlin, Germany
4. Department of Hepatology and Gastroenterology, Charité Campus Virchow-Clinic, Medical Faculty, Humboldt-University, Berlin, Germany