1. Department of Plastic and Reconstructive Surgery, Vanderbilt University, Nashville, TN, USA
2. Baltimore VA Health System, Rubin Institute for Orthopedics, Baltimore, MD, USA
3. Divison of Podiatry, Dekalb Medical Center, Decatur, GA, USA
4. Department of Surgery, Southwestern Academic Limb Salvage Alliance (SALSA), Keck School of Medicine of University of Southern California, Los Angeles, CA, USA