The Miami Project to Cure Paralysis, University of Miami, Miami, FL 33136, USA.
Department of Regeneration of Sensorimotor Systems, Netherlands Institute for Neuroscience, Institute of the Royal Netherlands Academy of Arts and Sciences, 1105 BA Amsterdam, The Netherlands.
Shirley Ryan AbilityLab, Chicago, IL 60611, USA.
Department of Physical Therapy and Human Movements Sciences, Northwestern University, Chicago, IL 60611, USA.