1. Department of Rehabilitation & Extended Care, Minneapolis Veterans Affairs Health Care System, Minneapolis, MN, USA
2. Division of Rehabilitation Science, Department of Rehabilitation Medicine, University of Minnesota, Minneapolis, MN, USA
3. Department of Research, Minneapolis Veterans Affairs Health Care System, Minneapolis, MN, USA
4. Department of Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
5. Division of General Internal Medicine, Minneapolis Veterans Affairs Health Care System, Minneapolis, MN, USA
6. Department of Medicine, University of Minnesota Medical School, Minneapolis, MN, USA
7. Department of Psychiatry & Behavioral Sciences, University of Minnesota, Minneapolis, MN, USA
8. Department of Rehabilitation Medicine, University of Minnesota, Minneapolis, MN, USA
9. School of Nursing, University of Minnesota, Minneapolis, MN, USA
10. Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, USA