1. D. Malone, PT, PhD, CCS, Department of Physical Medicine and Rehabilitation, University of Colorado Denver, 13121 E 17th Ave, Aurora, CO 80045 (USA).
2. K. Ridgeway, PT, DPT, Department of Physical Therapy, University of Colorado Hospital, Aurora, Colorado.
3. A. Nordon-Craft, PT, DSc, Department of Physical Medicine and Rehabilitation, University of Colorado Denver.
4. P. Moss, Pulmonary Sciences and Critical Care Medicine, University of Colorado Denver.
5. M. Schenkman, PT, PhD, FAPTA, Department of Physical Medicine and Rehabilitation, University of Colorado Denver.
6. M. Moss, MD, Pulmonary Sciences and Critical Care Medicine, University of Colorado Denver.