From the *Department of Family Medicine; and †Division of Rheumatology, Mayo Clinic, Jacksonville, Florida.
Submitted for publication June 24, 2008; accepted December 14, 2008.
The authors state that they have no financial interest in the products mentioned in this article.
Presented at the annual meeting of the American Medical Society for Sports Medicine, April 16-20, 2005, Austin, Texas.
The authors have no conflicts of interest to disclose.
Reprints: Walter C. Taylor, MD, Department of Family Medicine, Mayo Clinic, 4500 San Pablo Rd, Jacksonville, FL 32224 (e-mail: firstname.lastname@example.org).