[1] Moffitt Comprehens Canc Ctr, Sarcoma Dept, Tampa, FL USA
[2] Johns Hopkins All Childrens Hosp, Canc & Blood Disorders Inst, St Petersburg, FL USA
[3] Univ Alabama Birmingham, Dept Pediat, Div Pediat Hematol & Oncol, Birmingham, AL USA
[4] Childrens Hosp Philadelphia, Div Oncol, Philadelphia, PA USA
[5] Univ Penn, Abramson Canc Ctr, Perelman Sch Med, Dept Pediat, Philadelphia, PA USA
[6] Canc Care Manitoba, Dept Pediat Hematol & Oncol, Winnipeg, MB, Canada
[7] Univ Manitoba, Dept Pediat & Child Hlth, Winnipeg, MB, Canada
[8] Univ Alabama Birmingham, Inst Canc Outcomes & Survivorship, Heersink Sch Med, Birmingham, AL USA
[9] Dana Farber Canc Inst, Dept Pediat Oncol, Boston, MA USA
[10] Dana Farber Canc Inst, Div Populat Sci, Boston, MA USA
[11] Univ British Columbia, Fac Med, Dept Pediat, Div Translat Therapeut, Vancouver, BC, Canada
[12] Univ Cincinnati, Cincinnati Childrens Hosp Med Ctr, Div Pediat Gen & Thorac Surg, Cincinnati, OH 45221 USA
[13] Mem Sloan Kettering Canc Ctr, Dept Pediat, New York, NY USA
[14] Emory Univ, Dept Hematol & Med Oncol, Atlanta, GA USA
[15] Patient Advocacy Comm, Childrens Oncol Grp, Monrovia, CA USA
[16] Duke Univ, Sch Med, Dept Pediat, Durham, NC USA
[17] Duke Univ, Sch Med, Dept Pharmacol & Canc Biol, Durham, NC USA
[18] Tufts Med Ctr, Inst Clin Res & Hlth Policy Studies, Boston, MA USA
[19] Tufts Med Ctr, Div Hematol Oncol, Boston, MA USA
[20] H Lee Moffitt Canc Ctr & Res Inst, Integrated Math Oncol Dept, Tampa, FL USA
[21] Seattle Childrens Hosp, Dept Lab Med & Pathol, Seattle, WA USA
[22] Univ Washington, Med Ctr, Seattle, WA USA
[23] Univ Calif Los Angeles, Dept Orthopaed Surg, Los Angeles, CA USA
[24] Univ Calif Los Angeles, Jonsson Comprehens Canc Ctr, Los Angeles, CA USA
[25] St Jude Childrens Res Hosp, Dept Oncol, Memphis, TN USA
[26] Univ Minnesota, Div Pediat Hematol & Oncol, Minneapolis, MN USA
[27] Mem Sloan Kettering Canc Ctr, Dept Radiat Oncol, New York, NY USA
[28] Maine Med Ctr, Dept Pediat, Portland, ME USA
[29] Baylor Coll Med, Texas Childrens Canc Ctr, Houston, TX USA
[30] NCI, Pediat Oncol Branch, Ctr Canc Res, Bethesda, MD USA