Nebulizers and Vaporizers OR Inhalers OR Inhalators OR Inhalation Devices OR Atomizer OR NebulizerGuideline Adherence OR Treatment Adherence and Compliance OR Medication Adherence OR Patient ComplianceNon-adherencehospitalization OR Patient Readmission OR readmin* OR Mortality OR death rateComplianceAdherence OR ComplianceNon-adherence OR incorrect Therapy clinical trials