1. Department of Gastroenterology Hepatology and Infectious Diseases; Otto-von-Guericke-University of Magdeburg; Magdeburg Germany
2. Department of Pathology; Otto-von-Guericke-University of Magdeburg; Magdeburg Germany
3. Medical Laboratory for Clinical Chemistry, Microbiology and Infectious Diseases, Department of Molecular Genetics; Magdeburg Germany