1. Division of Pediatric Orthopaedic Surgery, Rainbow Babies and Children’s Hospital, Case Western Reserve University
2. The University of Toledo College of Medicine and Life Sciences, Toledo, OH
3. Department of Orthopaedic Surgery, University Hospitals Case Medical Center
4. Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, MI
5. Division of Orthopaedic Surgery, MetroHealth System, Cleveland