[1] Dartmouth Coll, Hitchcock Med Ctr, Norris Cotton Canc Ctr, Dept Genet, Hanover, NH 03756 USA
[2] Dartmouth Coll, Hitchcock Med Ctr, Norris Cotton Canc Ctr, Dept Pediat, Hanover, NH 03756 USA
[3] Dartmouth Coll, Hitchcock Med Ctr, Norris Cotton Canc Ctr, Geisel Sch Med Dartmouth, Hanover, NH 03756 USA
[4] NCI, Pediat Oncol Branch, NIH, Bethesda, MD 20892 USA
[5] Johns Hopkins Sch Med, Div Neuropathol, Bloomberg Childrens Hosp, Baltimore, MD USA
[6] Johns Hopkins Sch Med, Sidney Kimmel Comprehens Canc Ctr, Bloomberg Childrens Hosp, Baltimore, MD USA
[7] Johns Hopkins Sch Med, Div Pediat Oncol, Bloomberg Childrens Hosp, Baltimore, MD USA
[8] Childrens Natl Med Ctr, Brain Tumor Inst, Washington, DC 20010 USA
[9] Childrens Natl Med Ctr, Div Hematol Oncol, Washington, DC 20010 USA