1. Lady Davis Institute, Segal Cancer Centre, Jewish General Hospital, McGill University, Montréal, Québec, Canada
2. Rosalind and Morris Goodman Cancer Institute, McGill University, Montréal, Québec, Canada
3. Faculty of Medicine, McGill University, Montréal, Québec, Canada
4. Department of Surgery, McGill University, Montréal, Québec, Canada
5. Research Institute of the McGill University Health Centre, McGill University, Montréal, Québec, Canada
6. Library and Information Services, University Health Network, Toronto, Ontario, Canada
7. Division of Medical Oncology, University of Toronto, Toronto, Ontario, Canada
8. The University of Texas MD Anderson Cancer Center, Houston, TX
9. Department of Gastrointestinal Medical Oncology, Houston, TX
10. Vanderbilt University Medical Center, Nashville, TN
11. Massachusetts General Hospital Cancer Center, Harvard Medical School, Boston, MA
12. Division of Oncology, Stanford University, Stanford, CA
13. Division of Oncology, Medical University of Graz, Graz, Austria
14. Quirón-Dexus University Institute, Barcelona, Spain
15. Barts Cancer Institute, Queen Mary University of London and St Bartholomew's Hospital, London, United Kingdom
16. Japanese Foundation for Cancer Research Cancer Institute Hospital, Tokyo, Japan
17. Department of Gastroenterology and Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan
18. Aflac Cancer Center, Emory University School of Medicine, Atlanta, GA
19. University of Bern and Cantonal Hospital of Lucerne, Lucerne, Switzerland
20. Centre Hospitalier Universitaire de Toulouse, Toulouse, France
21. Department of Medicine, Northwestern University, Chicago, IL
22. BioMed Valley Discoveries, Kansas City, MO
23. Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montréal, Québec, Canada
24. Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
25. Department of Oncology, McGill University, Montréal, Québec, Canada