1. University of North Carolina School of Medicine, Chapel Hill
2. Duke University Medical Center, Durham, North Carolina
3. Icahn School of Medicine at Mount Sinai, New York, New York
4. National Institutes of Health, Bethesda, Maryland
5. Dana Farber Cancer Institute and Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
6. Memorial Sloan Kettering Cancer Center and Weill-Cornell Medical College, New York, New York