1. Department of Orthopaedic Surgery, Johns Hopkins Hospital, Baltimore, MD 21287, USA
2. Department of Orthopaedic Surgery, Johns Hopkins Bayview Medical Center, Baltimore, MD 21224, USA
3. International Center for Limb Lengthening, Rubin Institute for Advanced Orthopaedics, Sinai Hospital, Baltimore, MD 21215, USA
4. Bone Infection Unit, Nuffield Orthopaedic Centre, Oxford University Hospitals, Oxford OX3 7LD, UK