1. S.J. Mulroy, PT, PhD, Pathokinesiology Laboratory, Rancho Los Amigos National Research Center, Downey, California.
2. C.J. Winstein, PhD, PT, FAPTA, Division of Biokinesiology and Physical Therapy, Herman Ostrow School of Dentistry, Department of Neurology, Keck School of Medicine, University of Southern California, 1540 E Alcazar St, CHP 155, Los Angeles, CA 90089 (USA).
3. K. Kulig, PT, PhD, FAPTA, Musculoskeletal Biomechanics Research Laboratory, Division of Biokinesiology and Physical Therapy, Herman Ostrow School of Dentistry, Department of Orthopaedic Surgery, Keck School of Medicine, University of Southern California.
4. G.J. Beneck, PT, PhD, OCS, Department of Physical Therapy, California State University, Long Beach, Long Beach, California.
5. E.G. Fowler, PT, PhD, UCLA/Orthopaedic Hospital Center for Cerebral Palsy, Tarjan Center at UCLA, University of California, Los Angeles, Los Angeles, California.
6. S.K. DeMuth, PT, DPT, Division of Biokinesiology and Physical Therapy, University of Southern California.
7. K.J. Sullivan, PT, PhD, Division of Biokinesiology and Physical Therapy, University of Southern California.
8. D.A. Brown, PT, PhD, Department of Physical Therapy and Human Movement Sciences, The Fineberg School of Medicine, Northwestern University, Chicago, Illinois.
9. C.J. Lane, PhD, ICARE Data Management and Analysis Center, Keck School of Medicine, University of Southern California.