1. Departments of Surgical Oncology and Health Services Research, The University of Texas MD Anderson Cancer Center , Houston, TX, USA
2. Department of Internal Medicine, Section of Medical Oncology, and Yale Cancer Center, Yale School of Medicine , New Haven, CT, USA
3. Department of Medicine, Division of Hematology/Oncology, University of California , Irvine, Irvine, CA, USA
4. Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health , Bethesda, MD, USA
5. Department of Medicine, Division of Hematology and Oncology, Icahn School of Medicine at Mount Sinai , New York, NY, USA
6. Department of Radiation Oncology, University of Florida , Gainesville, FL, USA
7. Department of Medicine, Division of Hematology & Oncology and Robert H. Lurie Comprehensive Cancer Center of Northwestern University , Chicago, IL, USA
8. Department of Internal Medicine, Section of Medical Oncology and Hematology, Rady Faculty of Health Sciences, University of Manitoba , Winnipeg, MB, Canada
9. Radiation Medicine Program, Princess Margaret Cancer Centre, University Health Network and Department of Radiation Oncology, University of Toronto , ON, Canada
10. Massachusetts General Cancer Center, Division of Hematology/Oncology, Massachusetts General Hospital, Harvard Medical School , Boston, MA, USA
11. Department of Radiation Oncology, The University of Texas Southwestern Medical Center , Dallas, TX, USA
12. Department of Medicine, Division of Gastroenterology, Hepatology, and Nutrition, Vanderbilt University Medical Center , Nashville, TN, USA
13. Departments of Surgery and Public Health Sciences, Penn State College of Medicine , Hershey, PA, USA
14. Department of Medicine, Division of Hematology/Oncology, University of Arizona Cancer Center , Tucson, AZ, USA
15. Department of Hematology/Oncology, Fox Chase Cancer Center , Philadelphia, PA, USA
16. Department of Radiation Oncology, Icahn School of Medicine at Mount Sinai , New York, NY, USA