*Children’s Hospital Los Angeles, Los Angeles, CA
†Shriner’s Hospital for Children
¶Children’s Hospital of Philadelphia, Philadelphia, PA
‡Seattle Children’s Hospital, Seattle, WA
§Carrie Tingley Children’s Hospital, University of New Mexico, Albuquerque, NM
∥CS Mott Children’s Hospital, University of Michigan, Ann Arbor, MI
J.G.: data collection, data analysis, manuscript writing and review. L.S. and A.W.: data collection and manuscript review. P.D.C., S.B.N., A.W.L., S.S., M.S.C., and A.A.: manuscript review. M.D.S.: data collection. J.G. and A.A.: study design, methods, and idea.
All figures in this manuscript are reproduced with permission of the Children’s Orthopaedic Center, Los Angeles.
This study has been carried out with approval from the Institutional Review Board at Children’s Hospital Los Angeles.
There are no sources of funding for this study.
The authors declare no conflicts of interest.
Reprints: Paul D. Choi, MD, Children’s Orthopaedic Center, Children’s Hospital Los Angeles, 4650 Sunset Boulevard, Mailstop #69, Los Angeles, CA 90027. E-mail: [email protected].
