Credits
| Author | Robin Parks, MS |
| Editor | Kathleen M. Ariss, MS |
| Associate Editor | Denele Ivins |
| Associate Editor | Pat Truman, MATC |
| Primary Medical Reviewer | E. Gregory Thompson, MD - Internal Medicine |
| Specialist Medical Reviewer | Jeffrey J. Gilbertson, MD - Cardiovascular Surgery |
| Last Updated | January 15, 2008 |
Author:Robin Parks, MS
Medical Review:E. Gregory Thompson, MD - Internal Medicine
Last Updated: 01/15/2008