[1] Ludwig Maximilians Univ Munchen, Univ Hosp, Dept Radiol, Munich, Germany
[2] Niels Stensen Kliniken Marienhosp, Dept Internal Med & Gastroenterol, Osnabruck, Germany
[3] Ludwig Maximilians Univ Munchen, Univ Hosp, Dept Med 2, Munich, Germany
[4] Univ Klinikum Leipzig, Klin & Poliklin Gastroenterol, Sekt Hepatol, Leipzig, Germany
[5] Med Univ Vienna, Dept Bioimaging & Image Guided Therapy, Sect Cardiovasc & Intervent Radiol, Vienna, Austria
[6] Univ Amsterdam, Amsterdam Univ Med Ctr, Dept Med Oncol, Amsterdam, Netherlands
[7] Univ Basel, Univ Hosp Basel, Radiol & Nucl Med, Basel, Switzerland
[8] Univ Amsterdam, Acad Univ Med Ctr, Dept Radiol & Nucl Med, Amsterdam, Netherlands
[9] Univ Med Greifswald, Dept Med A, D-17489 Greifswald, Germany
[10] Univ Magdeburg, Dept Radiol & Nucl Med, Magdeburg, Germany
[11] Ludwig Maximilian Univ Munich, Univ Hosp, Dept Radiol, Marchioninistr 15, D-81377 Munich, Germany