1. Division of Plastic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
2. Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
3. Department of Biomedical Engineering, Tufts University, Boston, MA 02155, USA
4. Nobles and Greenough School, Dedham, MA 02026, USA
5. Georgetown University, Washington, DC 20001, USA
6. Institute of Clinical and Experimental Medicine, 140 21 Prague, Czech Republic