1. Department of Plastic and Reconstructive Surgery, Johns Hopkins University School of Medicine, Baltimore, Md.
2. Translational Tissue Engineering Center, Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Md.
3. The Department of Applied Mathematics and Statistics, Whiting School of Engineering, Johns Hopkins University, Baltimore, Md.
4. Division of Plastic Surgery, Brigham and Women’s Hospital, Boston, Mass.