| 1. Which device do you prefer based on the number of steps needed to take your COPD medication? | □ No preference □ Handihaler device □ Novel dry powder inhaler device |
| 2. Which device do you prefer based on the time needed to take your COPD medication? | □ No preference □ Handihaler device □ Novel dry powder inhaler device |
| 3. Which device do you prefer based on how easy the device is to use? | □ No preference □ Handihaler device □ Novel dry powder inhaler device |
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