Personnel SelectionSelection, GeneticMilitary PersonnelPersonnel, HospitalWorkHealth PersonnelPersonnel ManagementAllied Health PersonnelMilitary MedicinePersonnel Staffing and SchedulingMedical Laboratory PersonnelModels, GeneticEmergency Medical TechniciansEvolution, MolecularGenetic VariationBiological EvolutionMolecular Sequence DataPatient SelectionSelection BiasOccupational DiseasesNaval MedicinePhylogenyWarMutationUnited StatesPersonnel Staffing and Scheduling Information SystemsWork Schedule ToleranceIraq War, 2003-2011Laboratory PersonnelBase SequenceGenetics, PopulationAttitude of Health PersonnelOccupational ExposureWork Capacity EvaluationAfghan Campaign 2001-AlgorithmsIraqPersonnel DelegationTime FactorsOccupational HealthQuestionnairesAfghanistanPhenotypeOperating RoomsAmbulancesSequence Analysis, DNAComputer Simulation