[1
]
Center for Bionic Medicine, Rehabilitation Institute of Chicago, Chicago, Illinois2Department
of Physical Medicine and Rehabilitation, Northwestern University, Chicago, Illinois3Department
of Biomedical Engineering, Northwestern University, Evanston, Illi.
[2
]
Center for Bionic Medicine, Rehabilitation Institute of Chicago, Chicago, Illinois3Department
of Biomedical Engineering, Northwestern University, Evanston, Illinois.
[3
]
Center for Bionic Medicine, Rehabilitation Institute of Chicago, Chicago, Illinois2Department
of Physical Medicine and Rehabilitation, Northwestern University, Chicago, Illinois.
[4
]
Center for Bionic Medicine, Rehabilitation Institute of Chicago, Chicago, Illinois.