1. Center for Cancer Research, Medical University of Vienna, Vienna, Austria
2. Department of Statistics and Operations Research, University of Vienna, Vienna, Austria
3. Department of Surgery, Clinic Favoriten, Vienna, Austria
4. Department of Applied Statistics, Johannes Kepler University Linz, Linz, Austria
5. Biome Diagnostics GmbH, Langenzersdorf, Austria
6. Institute of Pathology and Bacteriology, Clinic Favoriten, Vienna, Austria
7. Department of Internal Medicine, Hospital Oberpullendorf, Oberpullendorf, Austria