1. H. Ben Taub Department of Physical Medicine and Rehabilitation Baylor College of Medicine Houston Texas USA
2. Department of Medicine Massachusetts General Hospital Boston Massachusetts USA
3. Department of Rehabilitation and Regenerative Medicine NewYork‐Presbyterian Columbia University Medical Center New York New York USA
4. Department of Physical Medicine and Rehabilitation University Health Network Toronto Ontario Canada
5. Department of Physical Medicine and Rehabilitation University of Colorado Denver Colorado USA
6. Spinal Cord Injury Care Line, Michael E. DeBakey VA Medical Center Houston Texas USA