1 Department of Physical Medicine and Rehabilitation, Northwestern University Feinberg School of Medicine, Chicago, IL, USA. a-heinemann@northwestern.edu.
2 ShirleyRyan AbilityLab, Chicago, IL, USA. a-heinemann@northwestern.edu.
3 , Bethesda, USA.
4 Department of Physical Medicine, Rehabilitation, and Sports Medicine, Department of Physiology and Biophysics, University of Puerto Rico School of Medicine, San Juan, PR, USA.
5 Dept. of Physical Medicine & Rehabilitation, Northwestern University, Chicago, IL, USA.
6 Dept. of Veterans Affairs, Jesse Brown VAMC, Chicago, IL, USA.
7 John & Janice Fisher Distinguished Professor of Wellness, Ball State University, Muncie, IN, USA.
8 Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy.
9 IRCCS Fondazione Don Gnocchi, Milan, Italy.
10 Department of Occupational and Recreational Therapies, University of Utah, Salt Lake City, UT, USA.
11 Rehabilitation Department, Faculty of Medicine, Universite´ Laval, Quebec City, QC, Canada.