RSV	Respiratory syncytial virus
COPD	Chronic Obstructive Pulmonary Disease
ILD	interstitial lung diseases
CPA	Chronic Pulmonary Aspergillosis
ICU	Intensive Care Unit
ARDS	respiratory distress syndrome
pMDIs	pressurized metered-dose inhalers
DPIs	dry powder inhalers
HFA	hydrofluoroalkane
MMAD	Mass median aerodynamic diameter
Da	Particle diameter
Dg	Geometric diameter
FPF	fine particle fraction
GSD	geometric standard deviation
CFD	Computational fluid dynamics
ABPA	allergic bronchopulmonary aspergillosis
NGI	Next Generation Impactor
APSD	aerodynamic particle size distribution
PSD	particle size distribution
ACI	Andersen Cascade Impactor
MSLI	Multi-Stage Liquid Impinger
GTI	Glass Twin Impinger
FSA	Fast Screening Andersen
MOC	micro-orifice collector
SEDS	Solution-Enhanced Dispersion by Supercritical Fluids
AZM	azithromycin
RA	rheumatoid arthritis
AM	Additive manufacturing
CT	Computed tomography
MRI	Magnetic resonance imaging
CAD	Computer-aided design
FDM	Fused deposition modeling
SLS	Selective laser sintering
DA	Aerodynamic diameter
PLGA	Poly(lactic-co-glycolic acid)
PLA	Poly(lactic acid)
SLN	Solid lipid nanoparticles
NLC	Nanostructured lipid carriers
NP	Polymeric nanoparticle
ADPIs	acoustic dry powder inhalers
SLA	stereolithography
LCD	liquid crystal display
nCmP	nanocomposite microparticles
LOC	Lung-on-chip
SCF	Supercritical fluid
SAS	Supercritical anti-solvent
SFD	Spray Freeze Drying
SA-SD	supercritical fluid-assisted spray-drying
RESS	Rapid expansion of supercritical solutions
CO2	Carbon dioxide