1. Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA.
2. Medical Scientist Training Program, University of Pittsburgh, Pittsburgh, PA, USA.
3. Department of Plastic Surgery, University of Pittsburgh, Pittsburgh, PA, USA.
4. Department of Dermatology, University of Pittsburgh, Pittsburgh, PA, USA.
5. Department of Surgery, University of Pittsburgh, Pittsburgh, PA, USA.
6. Department of Chemical Engineering, University of Pittsburgh, Pittsburgh, PA, USA.
7. Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA.
8. Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA.
9. McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
10. Department of Surgery, Wake Forest School of Medicine, Winston-Salem, NC, USA.
11. Department of Ophthalmology, University of Pittsburgh, Pittsburgh, PA, USA.