1. Division of Surgical Oncology The Ohio State University Wexner Medical Center and James Comprehensive Cancer Center Columbus OH USA
2. Dana Farber Cancer Institute–ECOG‐ACRIN Biostatistics Center Boston MA USA
3. Northwestern UniversityRobert H. Lurie Comprehensive Cancer Center Chicago IL USA
4. Department of Surgery Indiana University School of Medicine Indianapolis IN USA
5. Department of Social Sciences & Health Policy Wake Forest School of Medicine; Wake Forest Baptist Comprehensive Cancer Center Winston‐Salem NC USA
6. Indiana University School of Medicine|Melvin and Bren Simon Cancer Center Indianapolis IN USA
7. Montefiore Medical Center Albert Einstein College of MedicineAlbert Einstein Cancer Center Bronx NY USA
8. Stanford University Palo Alto CA USA
9. Comprehensive Cancer Center University of Michigan Ann Arbor MI USA