1 Department of Hepatology and Gastroenterology, Charité - Universitätsmedizin Berlin, Campus Virchow Klinikum and Charité Campus Mitte, Berlin, Germany.
2 Department of Radiology, Charité - Universitätsmedizin Berlin, Berlin, Germany.
3 Institute of Biometry and Clinical Epidemiology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117 Berlin, Germany; Berlin Institute of Health at Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany.
4 Department of Hepatology and Gastroenterology, Charité - Universitätsmedizin Berlin, Campus Virchow Klinikum and Charité Campus Mitte, Berlin, Germany. Electronic address: alexander.wree@charite.de.