Credits
| Author | Maria G. Essig, MS, ELS |
| Editor | Susan Van Houten, RN, BSN, MBA |
| Associate Editor | Pat Truman, MATC |
| Primary Medical Reviewer | Anne C. Poinier, MD - Internal Medicine |
| Specialist Medical Reviewer | Mark A. Rasmus, MD - Pulmonary, Critical Care and Sleep Medicine |
| Last Updated | March 3, 2008 |
Author:Maria G. Essig, MS, ELS
Last Updated: 03/03/2008