Cystic FibrosisCystic Fibrosis Transmembrane Conductance RegulatorPseudomonas aeruginosaLungLung DiseasesSputumBronchiPseudomonas InfectionsRespiratory MucosaBurkholderia cepacia complexLung Diseases, InterstitialFibrosisPneumonia, BacterialLeukocyte ElastaseBiofilmsEpithelial CellsTracheaPhenotypeGene Expression Regulation, BacterialInterleukin-8Bacterial ProteinsNeutrophilsLung Diseases, ObstructiveBronchoalveolar Lavage FluidLung TransplantationLung NeoplasmsIdiopathic Pulmonary FibrosisRespiratory Function TestsSweat