1. Medizinische Klinik 2, Caritas-Krankenhaus, Bad Mergentheim, Germany
2. III. Medizinische Klinik, Universitätsmedizin Mannheim
3. Department of Clinical Radiology and Nuclear Medicine, University Medical Center Mannheim, Medical Faculty Mannheim, Heidelberg University
4. 3rd Medical Department, Institute for Gastroenterology and Hepatology, “Iuliu Hatieganu” University of Medicine and Pharmacy, Cluj-Napoca, Romania
5. Diagnostic Radiology Institute, Paula Stradina Clinical University Hospital, Riga, Latvia
6. Medical Department, Krankenhaus Märkisch Oderland, Strausberg, Germany