1 Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria. kerstin.wimmer@meduniwien.ac.at.
2 Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria. kerstin.wimmer@meduniwien.ac.at.
3 Austrian Breast & Colorectal Cancer Study Group, Vienna, Austria.
4 Department of Oncology, Medical University of Graz, Graz, Austria.
5 Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria.
6 Department of Gynecology and Obstetrics, Medical University of Vienna, Vienna, Austria.
7 Department of Internal Medicine III with Haematology, Medical Oncology, Haemostaseology, Infectiology and Rheumatology, Oncologic Center, Paracelsus Medical University Salzburg, Salzburg, Austria.
8 Salzburg Cancer Research Institute-CCCIT, Salzburg, Austria.
9 Cancer Cluster Salzburg, Salzburg, Austria.
10 Department of Surgery, Regional Hospital Wiener Neustadt, Wiener Neustadt, Austria.
11 Department of Internal Medicine I, Medical University of Vienna, Vienna, Austria.
12 Department of Surgery, Ordensklinikum Linz - Sisters of Charity, Linz, Austria.
13 Department of Gynaecology, Medical University Innsbruck, Innsbruck, Austria.
14 Center for Cancer Research, Medical University of Vienna, Vienna, Austria.
15 Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria.