作者单位:Childrens Mercy Hosp, Div Pediat Hematol Oncol Bone Marrow Transplant, Kansas City, MO 64108 USA[1]Childrens Mercy Hosp, Div Pediat Hematol Oncol Bone Marrow Transplant, Neurooncol Program, Kansas[2]Childrens Mercy Hosp, Div Pediat Hematol Oncol Bone Marrow Transplant, Surv & Thrive Program[3]