1. Department of Medicine, University of Pittsburgh School of Medicine, PA, USA.
2. McGowan Institute for Regenerative Medicine, PA, USA
3. Department of Surgery, University of Pittsburgh School of Medicine, PA, USA
4. Department of Plastic & Reconstructive Surgery, Johns Hopkins University School of Medicine, MD, USA
5. Department of General, Thoracic & Transplant Surgery, Innsbruck Medical University, Innsbruck, Austria
6. Hillman Cancer Center, University of Pittsburgh Medical Center, 5117 Centre Avenue, Suite 2.42 Research Pavilion, Pittsburgh, PA 15213, USA