1. Department of Oncology, Mayo Clinic, Rochester, MN, USA
2. Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, USA
3. Cancer Specialists of North Florida, Jacksonville, FL, USA
4. Department of Biostatistics, University of Pittsburgh, Pittsburgh, PA, USA
5. Department of Medicine, Shands Cancer Center, University of Florida, Gainesville, FL, USA
6. University of Pittsburgh, Pittsburgh, PA, USA
7. Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
8. Department of Internal Medicine IV-Hematology-Oncology, University Clinic Halle (Saale), Martin-Luther-University Halle-Wittenberg, Halle, Germany
9. Department of Medical Oncology, Franco-British Institute, Levallois-Perret, France
10. University of Oxford, Oxford, UK
11. Sorbonne Paris Cité, Paris Descartes University Georges Pompidou European Hospital, Paris, France
12. Digestive Oncology, University Hospitals Gasthuisberg Leuven and KU Leuven, Leuven, Belgium
13. University of Leeds and St. James’s Institute of Oncology, Tom Connors Cancer Research Center, University of Bradford, Bradford, UK
14. Department of Surgery, Tokai University, Tokyo, Japan
15. Oregon Health and Science University, Portland, OR, USA
16. Cancer Treatment Center, Toyonaka Municipal Hospital, Toyonaka, Japan
17. Hôpital La Timone, Marseille, France
18. Department of Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan
19. Department of Biostatistics, Yokohama City University School of Medicine, Kanagawa, Japan
20. FIRC Institute of Molecular Oncology, Milan, Italy
21. Medical Oncology Department in St. Antoine Hospital, Assistance Publique Hôpitaux de Paris, Paris, France
22. West Virginia University Cancer Institute and the Mary Babb Randolph Cancer Center, Morgantown, WV, USA
23. University of Florida, Health Cancer Center, Gainesville, FL, USA