1. 1Memorial Sloan Kettering Cancer Center, New York, New York;
2. 2Dana-Farber Cancer Institute, Boston, Massachusetts;
3. 3Vanderbilt-Ingram Cancer Center, Nashville, Tennessee;
4. 4Stanford Cancer Institute, Palo Alto, California;
5. 5University of Wisconsin Carbone Cancer Center, Madison, Wisconsin;
6. 6Seattle Cancer Care Alliance, Seattle, Washington;
7. 7National Comprehensive Cancer Network, Plymouth Meeting, Pennsylvania;
8. 8Huntsman Cancer Institute at the University of Utah, Salt Lake City, Utah;
9. 9City of Hope National Medical Center, Duarte, California;
10. 10The Ohio State University, James Comprehensive Cancer Center, Columbus, Ohio;
11. 11Abramson Cancer Center at the University of Pennsylvania, Philadelphia, Pennsylvania; and
12. 12Moffitt Cancer Center, Tampa, Florida.