1. R.A. Rahimi, MD, PhD, Department of Medicine and Outcomes After Critical Illness and Surgery (OACIS) Research Group, Johns Hopkins University, Baltimore, Maryland.
2. J. Skrzat, PT, DPT, Department of Physical Medicine and Rehabilitation and OACIS Research Group, Johns Hopkins University.
3. D.R.S. Reddy, MD, OACIS Research Group, Johns Hopkins University, and Department of Medicine, Medstar Franklin Square Medical Center, Baltimore, Maryland.
4. J.M. Zanni, PT, DScPT, Department of Physical Medicine and Rehabilitation, and OACIS Research Group, Johns Hopkins University.
5. E. Fan, MD, Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada, and OACIS Research Group, Johns Hopkins University.
6. R.S. Stephens, MD, Division of Pulmonary and Critical Care Medicine, Johns Hopkins University.
7. D.M. Needham, MD, PhD, Department of Physical Medicine and Rehabilitation, Division of Pulmonary and Critical Care Medicine, and OACIS Research Group, Johns Hopkins University. Mailing address: Critical Care Physical Medicine and Rehabilitation Program, Johns Hopkins University, 1830 E Monument St, 5th Floor, Baltimore, MD 21205 (USA).