1. The University of Chicago Chicago Illinois USA
2. Center for Translational MedicineUniversity of Maryland Baltimore Maryland USA
3. Alliance Statistics and Data CenterDana‐Farber Cancer Institute Boston Massachusetts USA
4. Memorial Sloan Kettering Cancer Center New York New York USA
5. Dana‐Farber/Partners CancerCare/Harvard Cancer Center Boston Massachusetts USA
6. Heartland Cancer Research NCORP St. Louis Missouri USA
7. Rutgers Cancer Institute of New Jersey New Brunswick New Jersey USA
8. Mayo Clinic Jacksonville Florida USA
9. John H. Stroger Jr Hospital of Cook County Chicago Illinois USA
10. Decatur Memorial Hospital/Cancer Care Specialists of Illinois/Heartland Cancer Research NCORP Decatur Illinois USA
11. University of California San Francisco San Francisco California USA