DPIs	Dry powder inhalers
AI	Artificial intelligence
ML	Machine learning
PIFR	Peak Inspiratory Flow Rate
IC	Inspiratory capacity
COPD	Chronic obstructive pulmonary disease
INCA	Inhaler Compliance Assessment
MEMS	Micro-Electro-Mechanical Systems
PCB	Printed circuit board
RF	Random Forest
SVM	Support Vector Machine
GPR	Gaussian Process Regressor
ETR	Extra Trees Regressor
MAE	Mean absolute error
MSE	Mean squared error
RMSE	Root mean squared error