Acinetobacter baumanniiAcinetobacter InfectionsColistinDrug Resistance, Multiple, BacterialHolarrhenaCarbapenemsAcinetobacterAnti-Bacterial AgentsCross InfectionImipenemTransplantationMicrobial Sensitivity TestsAcinetobacter calcoaceticusTreatment Outcomebeta-Lactamasesbeta-Lactam ResistanceDrug Resistance, BacterialThienamycinsMinocyclineElectrophoresis, Gel, Pulsed-FieldSulbactamDNA, Bacterial