There are errors in the author affiliations. The correct affiliations are as follows:
Elisabeth S. Gruber1.3, Gerd Jomrich1,3, Dietmar Tamandl2, Michael Gnant3, Martin Schindl1,3, Klaus Sahora1,3
1 Division of General Surgery, Department of Surgery, Medical University of Vienna, Vienna, Austria, 2 Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, Vienna, Austria, 3 Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria.
1