Bronchiolitis ObliteransLung TransplantationCryptogenic Organizing PneumoniaBronchiolitisCollagen Type VSyndromeArteriosclerosis ObliteransGraft RejectionBronchiolitis, ViralRespiratory AspirationBronchoalveolar Lavage FluidThromboangiitis ObliteransHeart-Lung TransplantationNasal LavageAzithromycinCostimulatory and Inhibitory T-Cell ReceptorsPrimary Graft DysfunctionTransplantation, HomologousLungPostoperative ComplicationsRespiratory Function TestsForced Expiratory VolumeBronchoscopyRetrospective StudiesFlavoring AgentsGastroesophageal RefluxFollow-Up StudiesBiological MarkersRisk FactorsMediastinal EmphysemaGraft SurvivalImmunosuppressive AgentsTreatment OutcomeProportional Hazards ModelsPrednisoloneBalanitis Xerotica ObliteransTime FactorsCohort StudiesProspective StudiesLung DiseasesPrognosisBiopsyDiacetylRespiratory Syncytial Virus InfectionsInstillation, Drug