1. NSABP/NRG Oncology, and UF Cancer Center at Orlando Health, Orlando, FL;
2. NRG Oncology and The University of Pittsburgh, Pittsburgh, PA;
3. NRG Oncology/RTOG, and The Ohio State University, Columbus, OH;
4. NSABP/NRG Oncology, and Allegheny Health Network Cancer Institute, Pittsburgh, PA;
5. NSABP/NRG Oncology, and Cancer Institute of New Jersey, New Brunswick, NJ;
6. NRG Oncology/RTOG, and The University of Texas MD Anderson Cancer Center, Houston, TX;
7. NRG Oncology/RTOG and Winship Cancer Institute, Emory University, Atlanta, GA;
8. NSABP/NRG Oncology, and St. Joseph Mercy Health System, Pontiac, MI;
9. NSABP/NRG Oncology, and The University of California, Los Angeles, Los Angeles, CA;
10. NSABP/NRG Oncology, and the University of California, Santa Monica, CA;
11. NSABP/NRG Oncology, and The Severance BioMedical Science Institute and Yonsei University College of Medicine, Pittsburgh, PA;
12. Medical College of Wisconsin, Milwaukee, WI;
13. Ohio State University Wexner Medical Center, Columbus, OH;
14. NRG Oncology/RTOG and Winship Cancer Institute, Atlanta, GA;