Algorithms|Cluster Analysis|DNA-Binding Proteins|Epistasis, Genetic|Feasibility Studies|Gene Expression Profiling|Gene Expression Regulation|Gene Expression Regulation, Neoplastic|Humans|Immunoglobulin Heavy Chains|Models, Genetic|Models, Statistical|Oligonucleotide Array Sequence Analysis|Precursor Cell Lymphoblastic Leukemia-Lymphoma|Regulatory Factor X Transcription Factors|Sequence Analysis, DNA|Sequence Homology, Nucleic Acid|Statistics as Topic|Transcription Factors