1. Department of SurgeryMedical University of Vienna Vienna Austria
2. Department of Internal Medicine IIIMedical University of Vienna Vienna Austria
3. Center for Medical StatisticsInformaticsand Intelligent SystemsMedical University of Vienna Vienna Austria
4. Department of PathologyUniversity of Michigan Ann Arbor Michigan
5. Department of SurgeryResearch LaboratoriesMedical University of Vienna Vienna Austria
6. Department of Translational GastroenterologyAcademic Medical CenterUniversity of Amsterdam Amsterdam the Netherlands
7. Peter MacCallum Cancer Centre Melbourne Victoria Australia