1 Division of Plastic Surgery, University of Massachusetts Medical School, Worcester, Mass. (Chin, Freniere) Department of Polymer Science and Engineering, University of Massachusetts, Amherst, Mass. (Fakhouri) Division of Dermatology (Harris) Division of Plastic Surgery, University of Massachusetts Medical School, Worcester, Mass. (Lalikos) Department of Polymer Science and Engineering, University of Massachusetts, Amherst, Mass. (Crosby).