1. Institute of Biochemistry (Emil-Fischer-Zentrum), Friedrich-Alexander University Erlangen-Nuremberg, Erlangen, Germany
2. Department of Internal Medicine I, University Hospital Regensburg, Germany
3. Biobank o.b. HTCR, Department of General Visceral- and Transplantation Surgery, Ludwig-Maximilians-University Munich, Munich, Germany
4. Comprehensive Cancer Center Erlangen, CCC Erlangen-EMN; Friedrich-Alexander University Erlangen-Nuremberg, Erlangen, Germany