1. Department of Rehabilitation and Human Performance, Icahn School of Medicine at Mount Sinai, New York, New York, USA
2. Pathokinesiology Laboratory, Rancho Los Amigo National Rehabilitation Center, Downey, California, USA
3. Craig Hospital, Englewood, Colorado, USA
4. Department of Physical Medicine and Rehabilitation, University of Miami, Miami, Florida, USA
5. Department of Physical Medicine & Rehabilitation, The University of Texas Health Science Center at Houston, Houston, Texas, USA