Credits
| Author | Robin Parks, MS |
| Editor | Kathleen M. Ariss, MS |
| Associate Editor | Denele Ivins |
| Associate Editor | Pat Truman |
| Primary Medical Reviewer | Joy Melnikow, MD, MPH - Family Medicine |
| Specialist Medical Reviewer | Carla J. Herman, MD, MPH - Internal Medicine |
| Last Updated | December 1, 2006 |
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