1. Department of Medicine, Mayo Clinic, Rochester, Minnesota2Department of Oncology, Mayo Clinic Comprehensive Cancer Center, Mayo Clinic, Rochester, Minnesota
2. Alliance for Clinical Trials in Oncology Statistics and Data Center, Mayo Clinic, Rochester, Minnesota
3. Division of Hematology and Oncology, University of Florida, Gainesville
4. Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota
5. Division of Medical Oncology, The Ohio State University Comprehensive Cancer Center, Columbus
6. Pathology Laboratory, National Surgical Adjuvant Breast and Bowel Project/NRG Oncology, Pittsburgh, Pennsylvania
7. NRG Oncology, University of Pittsburgh, Pittsburgh, Pennsylvania
8. Department of Oncology, Mayo Clinic Comprehensive Cancer Center, Mayo Clinic, Rochester, Minnesota