1. Division of Plastic, Reconstructive, and Oral Surgery, Children’s Hospital of Philadelphia, Philadelphia, Pa.
2. Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pa.
3. Division of Plastic Surgery, Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pa.
4. Department of Orthopaedic Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pa.
5. Division of Orthopaedic Surgery, Children’s Hospital of Philadelphia, Philadelphia, Pa.