1. S.L. Saavedra, PT, PhD, Department of Movement Science, School of Kinesiology, University of Michigan, 401 Washtenaw Ave, Ann Arbor, MI 48109-2214 (USA).
2. C. Teulier, PhD, Université Paris Descartes, Paris, France.
3. B.A. Smith, PT, DPT, PhD, Department of Neurology and Behavioral Science, Oregon Health and Science University, Portland, Oregon.
4. B. Kim, BS, Department of Engineering, University of Michigan.
5. B.D. Beutler, BS, School of Kinesiology, University of Michigan.
6. B.J. Martin, PhD, Department of Industrial Engineering, University of Michigan.
7. B.D. Ulrich, PhD, Department of Movement Science, School of Kinesiology, University of Michigan.