Cluster AnalysisMultigene FamilyGene Expression ProfilingPhylogenyOligonucleotide Array Sequence AnalysisPrincipal Component AnalysisMolecular Sequence DataRandom Amplified Polymorphic DNA TechniqueDiscriminant AnalysisGenetic VariationAlgorithmsSequence Analysis, DNADNA FingerprintingSpace-Time ClusteringDNA, BacterialBacterial Typing TechniquesBase SequenceCluster HeadachePhenotypeGenotypeAmino Acid SequenceGeographyIron-Sulfur ProteinsReproducibility of ResultsPolymerase Chain ReactionAmplified Fragment Length Polymorphism AnalysisSpecies SpecificitySoftwareGenes, BacterialComputational BiologySequence AlignmentData Interpretation, StatisticalRNA, Ribosomal, 16SBacterial ProteinsModels, StatisticalTime FactorsPolymorphism, Restriction Fragment LengthGenetic MarkersPattern Recognition, Automated