1. Department of Orthopaedic Surgery, Walter Reed National Military Medical Center, 8901 Wisconsin Ave., Bethesda, MD 20889 USA
2. Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD 20814, USA
3. Department of General Surgery, Walter Reed National Military Medical Center, 8901 Wisconsin Ave., Bethesda, MD 20889, USA
4. Department of Plastic Surgery, The Ohio State University Wexner Medical Center, 915 Olentangy River Road, Ste 2100, Columbus, OH 43212, USA