- North Central Cancer Treatment Group (NCCTG) - Mayo Clinic
- Eastern Cooperative Oncology Group (ECOG)
- National Surgical Adjuvant Breast and Bowel Project (NSABP)
- Southwest Oncology Group (SWOG)
- Radiation Therapy Oncology Group (RTOG)
- MD Anderson CCOP Research Base (MDA)
- Cancer Trials Support Unit (CTSU)
- Gynecology Oncology Group (GOG)
- Wake Forest University (WFU)
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