[1] Univ Texas MD Anderson Canc Ctr, Sarcoma Med Oncol, Houston, TX 77030 USA
[2] Univ Calif Los Angeles, Med Ctr, Pediat, Los Angeles, CA 90024 USA
[3] Cleveland Clin Fdn, 9500 Euclid Ave, Cleveland, OH 44195 USA
[4] Univ Colorado, Pediat Hematol Oncol, Aurora, CO USA
[5] Childrens Hosp Colorado, Aurora, CO USA
[6] Duke Univ, Med Ctr, Duke Canc Inst, Durham, NC USA
[7] Oregon Hlth & Sci Univ, Knight Canc Inst, Portland, OR 97201 USA
[8] Univ Texas MD Anderson Canc Ctr, Pediat, Houston, TX 77030 USA
[9] Texas Childrens Hosp, Pediat, Houston, TX 77030 USA
[10] Childrens Natl Med Ctr, Washington, DC 20010 USA
[11] Oncternal Therapeut Inc, San Diego, CA USA
[12] Georgetown Univ, Dept Pediat, Washington, DC 20057 USA
[13] Georgetown Univ, Dept Oncol, Washington, DC USA
[14] Mem Sloan Kettering Canc Ctr, 1275 York Ave, New York, NY 10021 USA