1. Institute of Cell Biology (Cancer Research), Medical Faculty,
2. Bioinformatics and Computational Biophysics, Faculty of Biology, and
3. Department of Hematology, Medical Faculty, University of Duisburg-Essen, Essen, Germany;
4. Department of Gastroenterology and Hepatology, University Hospital Essen, Essen, Germany; and
5. Centre for Medical Biotechnology (ZMB), University of Duisburg-Essen, Essen, Germany