Table 1.

Checklist of steps for a correct inhalation technique

1	Correct priming or loading (Incorrect priming or loading were considered critical error).
2	Exhalation before inhalation.
3	Correct inhalation (Incorrect inhalation were considered critical error).
4	Hold the breath a few seconds after inhalation (except when using a pMDI + spacer).
5	Finalization (clean the mouth-piece, remove used capsule after verifying that no powder remains, check color changing in control window, close ID and wash the mouth if necessary).