[1] Rush Univ, Med Ctr, Dept Pediat, Div Pediat Hematol Oncol, Chicago, IL 60612 USA
[2] Rush Med Coll, Sarcoma Program, Chicago, IL USA
[3] Rush Med Coll, Physicianship Program, Chicago, IL USA
[4] Univ Chicago, Chicago, IL 60637 USA
[5] Childrens Mem Northwestern Univ Hosp, Chicago, IL USA
[6] Palo Verde High Sch, Las Vegas, NV USA