1. Memorial Sloan Kettering Cancer Center, New York, NY;
2. University of Texas Southwestern, Dallas, TX;
3. Department of Medicine–Oncology, Palo Alto, CA;
4. Dana-Farber Cancer Institute/Boston Children's Cancer and Blood Disorders Center, Boston, MA;
5. Massachusetts General Hospital, Boston, MA;
6. St. Jude Children's Research Hospital, Memphis, TN;
7. Dana-Farber Cancer Institute/Harvard Medical School, Boston, MA;
8. Fox Chase Cancer Center, Philadelphia, PA;
9. Rigshospitalet, Copenhagen, Denmark;
10. UH Cleveland Medical Center, Cleveland, OH;
11. Department of Otorhinolaryngology: Head and Neck Surgery, Abramson Cancer Center of the University of Pennsylvania, Philadelphia, PA;
12. START Madrid CIOCC, Hospital HM Universitario Sanchinarro, Madrid, Spain;
13. Cincinnati Children's Hospital Medical Center, Cincinnati, OH;
14. Nemour's Children's Hospital, Orlando, FL;
15. Scott Cruickshank and Associates, Santa Barbara, CA;
16. Loxo Oncology, Inc., San Francisco, CA;
17. Seattle Children’s Hospital, University of Washington, Fred Hutchinson Cancer Research Center, Seattle, WA;
18. The University of Texas MD Anderson Cancer Center, Houston, TX;