Myelodysplastic SyndromesLeukemiaLeukemia, Myeloid, AcutePrecursor Cell Lymphoblastic Leukemia-LymphomaAnemia, RefractoryAnemia, Refractory, with Excess of BlastsSyndromeLeukemia, Radiation-InducedNevadaLeukemia, Myelomonocytic, ChronicPreleukemiaChromosomes, Human, Pair 5Electromagnetic FieldsBone MarrowLeukemia, MyeloidPaternal ExposureAzacitidineEnvironmental ExposureLeukemia, LymphoidAnemia, SideroblasticPesticidesKaryotypingChromosome AberrationsAcute DiseasePrognosisCase-Control StudiesLeukemia, Lymphocytic, Chronic, B-CellMonosomyCore Binding Factor Alpha 2 SubunitMyeloproliferative DisordersInfant, NewbornRisk FactorsLeukemia, Myelogenous, Chronic, BCR-ABL PositiveThalidomideCytogenetic AnalysisAntimetabolites, AntineoplasticChromosomes, Human, Pair 7Myelodysplastic-Myeloproliferative DiseasesPancytopeniaAnemia, AplasticOmanTreatment OutcomeAntineoplastic AgentsPrecursor B-Cell Lymphoblastic Leukemia-LymphomaCaliforniaChromosome DeletionLeukemia, ExperimentalGranulocyte Precursor CellsBone Marrow CellsNeoplasms, Second PrimaryIncidenceRegistriesSurvivorsCytarabineHematopoietic Stem Cell TransplantationRemission InductionCytogeneticsTrisomyBone Marrow DiseasesMaternal ExposureIcelandAsparaginaseHematopoietic Stem CellsTransplantation, HomologousNeoplasms, Radiation-InducedSurvival AnalysisRadio WavesAntineoplastic Combined Chemotherapy ProtocolsIron OverloadLeukemia Virus, MurineErythrocyte TransfusionMutationRiskAntigens, CD34Hematologic AgentsPrenatal Exposure Delayed EffectsRisk AssessmentSurvival RateVidarabineDown SyndromeMethotrexateOncogene Proteins, FusionFathersOdds RatioIn Situ Hybridization, FluorescenceRetrospective StudiesChelation TherapyHematopoiesisBone Marrow ExaminationBlood TransfusionTransplantation ConditioningErythropoietinInfectionChromosomes, Human, Pair 8Cranial IrradiationGene Expression Regulation, LeukemicMetabolic Syndrome XThrombocytopeniaAge FactorsBlood Cell Count