1. Orthopedic Sports Medicine Service, University of Massachusetts, Worcester, Massachusetts, USA.
2. Sports Medicine Service, Hospital for Special Surgery, Weill Medical College, Cornell University, New York, New York, USA.
3. Limb Lengthening and Complex Reconstruction Service (LLCRS), Department of Orthopaedic Surgery, Hospital for Special Surgery, Weill Medical College, Cornell University, New York, New York, USA.