<qa>  What is the name of the group that compares dendritic cells and leukemia- Compare amounts of dendritic cells and leukemia-associated antigen-specific T lymphocytes in patients with relapsed or refractory acute myeloid leukemia or acute lymphoblastic leukemia treated with filgrastim G-CSF vs sargramostim GM-CSF after high-dose cytarabine and mitoxantrone. 