Department of Gastroenterology, Ankara Lokman Hekim Hospital, Ankara
2.Department of Internal Medicine, University of Thessaly Medical School, Larisa, Greece
3.Department of Gastroenterohepatology, University of İstanbul Medical School, İstanbul
4.Department of Molecular Pathology, Institute of Pathology, University of Tuebingen, Tuebingen, Germany
5.Department of Gastroenterology, University of Düsseldorf, Düsseldorf, Germany
6.İstanbul Üniversitesi Cerrahpaşa Tıp Fakültesi İç Hastalıkları, Kardiyoloji, Patoloji Anabilim Dalları, İstanbul
7.Department of Gastroenterology, University of Dicle School of Medicine, Diyarbakır
8.Institute of Hepatology, Ankara University Faculty of Medicine, Ankara, Turkey
9.University of Cologne, Institute of Pathology, Cologne, Germany
10.Department of Gastroenterology, University of Ankara Medical School, Ankara
11.Department of Gastroenterology, Hepatology and Endocrinology, University of Hannover Medical School, Hannover, Germany
12.Institute of Hepatology, Ankara University Faculty of Medicine, Ankara, Turkey; Department of Gastroenterology, Ankara University Faculty of Medicine, Ankara, Turkey.