1. Department of Health, Nutrition, and Exercise Sciences, North Dakota State University, Fargo, North Dakota, USA
2. Department of Physical Medicine and Rehabilitation, Medical School, University of Michigan, Ann Arbor, Michigan, USA
3. Department of Physical Medicine and Rehabilitation, Spain Rehabilitation Center, University of Alabama at Birmingham, Birmingham, Alabama, USA
4. Center for Rehabilitation Outcomes Research, Shirley Ryan AbilityLab, Chicago, Illinois, USA
5. Department of Physical Medicine and Rehabilitation, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA