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History
- Received December 2, 2011
- Accepted November 2, 2012
- Published online February 1, 2013.
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© 2013
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Author Information
- A.J. Pawlik, PT, DPT, CCS, Cardiac and Pulmonary Rehabilitation, Department of Therapy Services, University of Chicago Medical Center, 5841 S Maryland Ave, MC 1081, W109, Chicago, IL 60637-1470 (USA).
- J.P. Kress, MD, Department of Medicine, Section of Pulmonary and Critical Care, University of Chicago Medical Center.
- Address all correspondence to Dr Pawlik at: demo{at}highwire.org.