1. Department of Plastic Surgery, Medical College of Wisconsin , Wauwatosa, WI 53226, USA
2. Department of Orthopaedic Surgery, Medical College of Wisconsin , Milwaukee, WI 53226, USA
3. Department of Plastic Surgery, Clement J. Zablocki Veterans Administration Medical Center , Milwaukee, WI 53295, USA
4. Department of Orthopaedic Surgery, Clement J. Zablocki Veterans Administration Medical Center , Milwaukee, WI 53295, USA