Dr. Gates is Resident, Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA.
Dr. Karthikeyan is Resident, Department of Orthopaedic Surgery, University of Pittsburgh Medical Center. Dr. Fu is David Silver Professor and Chair, Department of Orthopaedic Surgery, University of Pittsburgh Medical Center. Dr. Huard is Henry J. Mankin Professor of Orthopaedic Surgery, Department of Orthopaedic Surgery, Molecular Genetics Biochemistry, and Bioengineering, University of Pittsburgh, and Director, Stem Cell Research Center, Children's Hospital of Pittsburgh.
Dr. Huard or a member of his immediate family has received research or institutional support from CookMyoSite, Inc. None of the following authors or a member of their immediate families has received anything of value from or owns stock in a commercial company or institution related directly or indirectly to the subject of this article: Dr. Gates, Dr. Karthikeyan, and Dr. Fu.
Reprint requests: Dr. Huard, Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Kaufmann Building, Suite 1011, 3471 Fifth Avenue, Pittsburgh, PA 15213.
