-ABL, -RUNX1 fusions, ABCC1, ABCC4, ABL, ALL, B, B cell ALL, B-ALL, BCR, CNAs, Cancer, ETV6, FPGS, FPGS mRNA, MTHFD1, MTX, MTXPG, MTXPGs, PBX1, RUNX1, SLC19A1, SNPs, SNVs, T, T cell ALL, T-ALL, TCF3, acute lymphoblastic leukemia, acute lymphoblastic leukemia (ALL) cells, copy number, folate, folate pathway genes, leukemia, leukemia cells, mRNA, methotrexate, methotrexate polyglutamates, miRNA, patient, patients, single nucleotide variants