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History
- Received for publication April 16, 2010
- Revision received August 30, 2010
- Accepted for publication September 21, 2010
- Published online March 14, 2011.
Copyright & Usage
© Annals of Family Medicine, Inc.
Author Information
- Barbara T. Do, MSPH,
- Jennifer M. Hootman, PhD, ATC,
- Charles G. Helmick, MD⇓ and
- Teresa J. Brady, PhD
- CORRESPONDING AUTHOR: Charles G. Helmick, MD, Centers for Disease Control and Prevention, 4770 Buford Hwy, MS K-51, Atlanta, GA 30341, cgh1{at}cdc.gov