LegionellosisHydrotherapyLegionnaires' DiseaseLegionellaChromium AlloysToilet FacilitiesAir ConditioningSirolimusDrug-Eluting StentsSwimming PoolsLegionella pneumophilaWater MicrobiologyAngioplasty, Balloon, CoronaryCoronary RestenosisMetalsFeverDisease OutbreaksAerosolsDrug Delivery SystemsCoronary Artery DiseaseCoronary AngiographyStentsThrombosisAntibodies, BacterialTreatment OutcomeProspective Studies