1. Program in Physical Therapy, Washington University School of Medicine in St Louis, St Louis, Missouri
2. Department of Orthopaedic Surgery, Washington University School of Medicine in St Louis, St Louis, Missouri
3. Division of Biostatistics, Washington University School of Medicine in St Louis, St Louis, Missouri
4. Department of Neurology, Washington University School of Medicine in St Louis, St Louis, Missouri
5. Program in Occupational Therapy, Washington University School of Medicine in St Louis, St Louis, Missouri