1. John F. Butzer Center for Research and Innovation, Mary Free Bed Rehabilitation Hospital, Rapids, MI, USA
2. Department of Occupational Therapy, College of Health and Human Sciences, Colorado State University, Fort Collins, CO, USA
3. Department of Clinical Research and Leadership, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
4. Department of Biostatistics, Grand Valley State University, Allendale, MI, USA
5. Department of Physical Medicine & Rehabilitation, University of Michigan, Ann Arbor, MI, USA