Table 1.

Information on health status of end users.

End user	Sex	Age	Diagnosis	Degree of motor-impairment	Verbal speech	Artificial ventilation
01	Female	59	Cerebral palsy	Tetraparesis, residual control over right arm and hand	Slurred	No
02	Male	34	Cerebral palsy	Spastic tetraparesis	Intact	No
03	Male	51	Stroke	Hemiparesis	None	No
04	Male	26	Lipid storage myopathy	Tetraparesis, only residual motor control over two fingers and eyes	None	Yes
05	Male	52	Spinal cord injury	Tetraplegia	Intact	No
06	Female	62	ALS	Locked-in state	None	Yes