From the *Department of Orthopaedic Surgery, University of Louisville School of Medicine and the Kenton D. Leatherman Spine Center, Louisville, KY, †University of California, San Francisco, San Francisco, CA,; ‡Washington University, St. Louis, MO, and; §Emory University, Atlanta, GA.
Acknowledgment date: November 3, 2003. First revision date: March 19, 2004. Acceptance date: April 19, 2004.
The manuscript submitted does not contain information about medical device(s)/drug(s).
Corporate/Industry funds were received to support this work. One or more of the author(s) has/have received or will receive benefits for personal or professional use from a commercial party related directly or indirectly to the subject of this manuscript, e.g., honoraria, gifts, consultancies, royalties, stocks, stock options, or decision-making position.
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