Affiliation: | Thorsten Brechmann, Wolff Schmiegel, Markus Reiser, Department of Gastroenterology and Hepatology, Berufsgenossenschaftliche Kliniken Bergmannsheil, University of Bochum, Bürkle-de-la-Camp-Platz 1, 44789 Bochum, Germany;Volkmar Nicolas, Department of Diagnostic and Interventional Radiology, Berufsgenossenschaftliche Kliniken Bergmannsheil, University of Bochum, Bürkle-de-la-Camp-Platz 1, 44789 Bochum, Germany |