  As the system is intended to be used in a large variety of environments and different patients, we train the algorithm using  the large database of spirometry curves which is the NHANES database by the American National Center for Health Statistics.
<meaning-changed>   As the system is intended to be used in a large variety of environments and different patients, we train the algorithm using  the large database of spirometry curves which is the NHANES database by the American National Center for Health Statistics.
 As the system is intended to be used in a large variety of environments and different patients, we train the algorithm using AioCare-collected data and the large database of spirometry curves which is the NHANES database by the American National Center for Health Statistics.