1. Harvard Medical School, Boston, Massachusetts, USA
2. Department of Physical Medicine and Rehabilitation, Spauling Rehabilitation Hospital, Boston, Massachusetts, USA
3. Department of Physical Medicine and Rehabilitation, MassGeneral Brigham, Boston, Massachusetts, USA
4. Department of Rehabilitation Medicine, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
5. Shirley Ryan AbilityLab, Chicago, Illinois, USA
6. Department of Physical Medicine and Rehabilitation, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA