1. a Department of Physical Therapy and Human Movement Sciences
2. b Department of Physical Medicine and Rehabilitation
3. c Department of Orthopaedic Surgery
4. f Sensory Motor Performance Program , Rehabilitation Institute of Chicago , Chicago, IL, USA
5. d Department of Radiology
6. e Department of Biomedical Engineering , Northwestern University , 645 N. Michigan Ave, Suite 1100, Chicago, IL, 60611, USA
7. g Department of Orthopaedic Surgery , St. Joseph Hospital Chicago , IL, USA