Credits
| Author | Bets Davis, MFA |
| Editor | Maria Essig |
| Editor | Susan Van Houten, RN, BSN, MBA |
| Associate Editor | Pat Truman, MATC |
| Primary Medical Reviewer | Anne C. Poinier, MD - Internal Medicine |
| Specialist Medical Reviewer | Brian Leber, MDCM, FRCPC - Hematology |
| Last Updated | November 26, 2008 |
Author:Bets Davis, MFA
Last Updated: 11/26/2008