[1] LMU Munchen, Klinikum Univ Munchen, Leber Ctr Munchen, Med Klin & Poliklin 2, Marchioninistr 15, D-81377 Munich, Germany
[2] Diakonie Klinikum Jung Stilling, Innere Med, Wichernstr 40, D-57074 Siegen, Germany
[3] St Elizabeth Hosp, Innere Med, Cologne, Germany
[4] Univ Klinikum Saarlandes, Klin Innere Med 2, Homburg, Germany
[5] Klinikum Landshut, Med Klin Schwerpunkt Gastroenterol 1, Landshut, Germany
[6] Klinikum Bogenhausen, Klin Gastroenterol Hepatol & Gastroent Onkol, Munich, Germany
[7] Krankenhaus Cham Sana Kliniken, Innere Med, Cham, Germany
[8] Deutsch Gesell Gastroenterol Verdauungs & Stoffwe, Berlin, Germany
[9] Univ Klinikum Munchen, Med Klin & Poliklin 2, Campus Grosshadern, Munich, Germany
[10] Univ Klinikum Frankfurt, Med Klin Gastroent Hepat Pneum Endokrin 1, Frankfurt, Germany
[11] Univ Klinikum Halle, Univ Klin & Poliklin Innere Med Schwerpunkt Gastr, Halle, Germany