1. Vanderbilt University School of Medicine, Nashville, Tenn.
2. Department of General Surgery, Vanderbilt University Medical Center, Nashville, Tenn.
3. Department of Plastic Surgery, Mayo Clinic, Rochester, Minn.
4. Department of Plastic Surgery, Vanderbilt University Medical Center, Nashville, Tenn.
5. Anne Burnett Marion School of Medicine, Texas Christian University, Fort Worth, Tex.
6. University of Southern California, Los Angeles, Calif.