1. Division of Plastic Surgery, Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania.
2. Department of Oral Biology, University of Pittsburgh, Pittsburgh, Pennsylvania.
3. Department of Bioengineering, University of Pittsburgh, Pittsburgh, Pennsylvania.
4. Institute of Complex Engineered Systems and Molecular Biosensor and Imaging Center and Departments of Biomedical Engineering, Materials Science and Engineering, and Biology, Carnegie Mellon University, Pittsburgh, Pennsylvania.
5. Stem Cell Research Center, University of Pittsburgh, Pittsburgh, Pennsylvania.
6. Robotic Institute, Carnegie Mellon University, Pittsburgh, Pennsylvania.