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* 1. I would like to use this system frequently

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* 2. I find the device was intuitive to use

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* 3. I believe it would be difficult for an elderly person to use the device

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* 4. I would recommend the device to anyone who needs it

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* 5. The treatment felt pleasant

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* 6. After using the device for at least 2 hours, my leg felt better

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* 7. I believe the device would interfere with my daily routine

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* 8. What did you like most in the device? What would you change?

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* 9. For how long did you use the device? How many times did you use the device?

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* 10. Anything else you would like to add?

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