1. Department of Orthopaedic Surgery, University Hospitals Case Medical Center, 11100 Euclid Avenue, Cleveland, OH 44106, USA
2. Warren Alpert Medical School of Brown University, 222 Richmond Street, Providence, RI 02903, USA
3. Department of Orthopaedic Surgery, Rainbow Babies and Children’s Hospital, 11100 Euclid Avenue, RBC 6081, Cleveland, OH 44106, USA