1. Section of Foot and Ankle Surgery, Department of Orthopaedic Surgery (GBH, AB), Rush University Medical Center, Chicago, Illinois
2. Department of Diagnostic Radiology (JSS), Rush University Medical Center, Chicago, Illinois
3. Section of Musculoskeletal Oncology (SG), Rush University Medical Center, Chicago, Illinois
4. Division of Foot and Ankle Surgery, University of California–Irvine, Orange, California (ARH)