Alfred Atanda Jr., MD, Director, Center for Sports Medicine, Department of Orthopedic Surgery, Alfred I. DuPont Children's Hospital, Wilmington, DE, USAJohn F. Lovejoy III, MD, Chair, Department of Orthopedics and Sports Medicine, Chair, Division of Physical Medicine and Rehabilitation, Associate Professor, University of Central Florida School of Medicine, Nemours Children’s Hospital, Orlando, FL, USA