1. Minneapolis Veterans Affairs Health Care System, Minneapolis, MN, USA
2. Department of Family Medicine and Community Health, University of Minnesota, Minneapolis, MN, USA
3. Department of Occupational Science & Occupational Therapy, Saint Louis University, St. Louis, MO, USA
4. Department of Rehabilitation Medicine, University of Washington, Seattle, WA, USA
5. Department of Medicine, University of Minnesota, Minneapolis, MN, USA
6. Department of Rehabilitation Medicine, University of Minnesota, Minneapolis, MN, USA
7. Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, USA