Thomas S. Roukis, DPM, PhD, FACFAS, Division of Foot and Ankle Surgery, Department of Orthopedic Surgery and Rehabilitation, University of Florida College of Medicine-Jacksonville, Jacksonville, FL, USAChristopher F. Hyer, DPM, MS, FACFAS, Orthopedic Foot and Ankle Center, Worthington, OH, USAGregory C. Berlet, MD, FAOS, FRCS(C), Orthopedic Foot and Ankle Center, Worthington, OH, USAChristopher Bibbo, DO, DPM, FACS, FAAOS, FACFAS, Rubin Institute for Advanced Orthopedics, International Center for Limb Lengthening, Sinai Hospital of Baltimore, Baltimore, MD, USAMurray J. Penner, MD, B.Mech.Eng, FRCSC, Department of Orthopedics, University of British Columbia, Vancouver, BC, Canada