Personnel SelectionSelection, GeneticMilitary PersonnelReproducibility of ResultsPersonnel, HospitalPsychometricsHealth PersonnelQuestionnairesPersonnel ManagementAllied Health PersonnelMilitary MedicineFactor Analysis, StatisticalModels, GeneticMedical Laboratory PersonnelEmergency Medical TechniciansEvolution, MolecularPersonnel Staffing and SchedulingSelection BiasPatient SelectionBiological EvolutionGenetic VariationUnited StatesSensitivity and SpecificityTranslationsMolecular Sequence DataWarPhylogenyAlgorithmsAttitude of Health PersonnelTranslatingNaval MedicinePersonnel Staffing and Scheduling Information SystemsQuality of LifeIraq War, 2003-2011Afghan Campaign 2001-Laboratory PersonnelGenetics, PopulationMutationTime FactorsObserver VariationData CollectionOperating RoomsBase SequenceCross-Sectional StudiesPersonnel DelegationIraqDisability EvaluationAfghanistanComputer SimulationSeverity of Illness IndexOccupational DiseasesAmbulancesPhenotypeOccupational ExposureLanguagePredictive Value of TestsHealth Status IndicatorsModels, Statistical