1. The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA.
2. Personal Genome Diagnostics, Baltimore, MD 21224, USA.
3. Department of Molecular Medicine, Aarhus University Hospital, DK-8200 Aarhus, Denmark.
4. Division of Hematology and Oncology, Moores Cancer Center, University of California, San Diego, La Jolla, CA 92093, USA.
5. Department of Surgery, Herning Regional Hospital, DK-7400 Herning, Denmark.
6. Department of Surgical Gastroenterology, Aarhus University Hospital, DK-8000 Aarhus, Denmark.
7. Department of Surgery, Academic Medical Center, University of Amsterdam, Amsterdam, Netherlands.
8. Department of Medical Oncology, Academic Medical Center, University of Amsterdam, Amsterdam, Netherlands.
9. Department of Pathology, VU University Medical Center, Amsterdam 1081 HV, Netherlands.
10. Department of Pathology, Netherlands Cancer Institute, Amsterdam 1066 CX, Netherlands.
11. Department of Surgical Gastroenterology 360, Hvidovre Hospital, Hvidovre, Denmark.