1. The Warren Alpert Medical School of Brown University, Providence, R.I.
2. Division of Plastic and Reconstructive Surgery, University of Minnesota, Minneapolis, Minn.
3. Department of Plastic and Reconstructive Surgery, Johns Hopkins Hospital, Baltimore, Md.
4. Division of Plastic Surgery, University of Pennsylvania, Philadelphia, Pa.
5. Division of Plastic Surgery, The Warren Alpert Medical School of Brown University, Providence, R.I.