1. Department of Plastic and Reconstructive Surgery, Johns Hopkins University, Baltimore, Md.
2. School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colo.
3. Division of Plastic and Reconstructive Surgery, Department of Surgery, University of Colorado Anschutz Medical Campus, Aurora, Colo.
4. Division of Plastic and Reconstructive Surgery, Department of Surgery, Virginia Commonwealth University, Richmond, Va.