1. James A. Haley Veterans’ Hospital, Tampa, FL, USA;
2. Department of Physical Medicine and Rehabilitation, Northwestern University Feinberg School of Medicine, Chicago, IL, USA;
3. Department of Physical Medicine and Rehabilitation, University of Michigan Medical School, Ann Arbor, MI, USA;
4. Center for Rehabilitation Outcomes Research, Rehabilitation Institute of Chicago, Chicago, IL, USA;
5. Baylor Institute for Rehabilitation, Baylor University Medical Center, Dallas, TX, USA;
6. Department of Psychiatry and Behavioral Science, University of Cincinnati, Cincinnati, OH, USA