Medical University of Vienna, Vienna, Austria
Department of Psychiatry and Psychotherapy, Vienna, Austria
Medical University of Vienna, Vienna, Austria
Medical University of Vienna, Vienna, Austria
KH der Elisabethinen Linz, Linz, Oberoesterreich, Austria
Division of Gastroenterology, Medical University of Vienna, Vienna, Austria
Rudolfstiftung, Vienna, Austria
Dept. of Internal Medicine III, Gastroenterology and Hepatology, Medical University of Vienna, Vienna, Austria
Dept. of Internal Medicine III, Gastroenterology and Hepatology, Medical University of Vienna, Vienna, Austria