1. First Department of Internal Medicine, Gastroenterology and Hepatology; Universitätsmedizin Mainz; Mainz Germany
2. Institute for Clinical Chemistry and Laboratory Medicine; Universitätsmedizin Mainz; Mainz Germany
3. Institute of Pathology; Universitätsmedizin Mainz; Mainz Germany
4. Institute of Clinical Microbiology and Hygiene; Regensburg University Medical Centre; Regensburg Germany
5. Transfusion Center; Universitätsmedizin Mainz; Mainz Germany
6. Department of Hepatobiliary and Transplantation Surgery; Universitätsmedizin Mainz; Mainz Germany