1. Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg 69120, Germany
2. Department of Medicine, Harvard Medical School, Boston, MA 02115, USA
3. Cardiovascular Division, Brigham and Women's Hospital, Boston, MA 02115, USA
4. Medical Oncology, National Center for Tumor Diseases and Hamamatsu Tissue Imaging and Analysis (TIGA) Center, Institute for Medical Biometry and Informatics, University of Heidelberg, Germany
5. Laboratory of Molecular Oncology and Angiogenesis, Vesalius Research Center, VIB, Leuven 3000, Belgium
6. Laboratory of Molecular Oncology and Angiogenesis, Vesalius Research Center, Department of Oncology, KU, Leuven 3000, Belgium
7. Institute of Pathology, University of Heidelberg, Heidelberg 69120, Germany
8. Department of General, Visceral and Thoracic Surgery, University of Dresden, Dresden 01307, Germany