1. Department of Surgery, McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.
2. Regenerative Medicine and Cell Therapy Unit, ISMETT-Mediterranean Institute for Transplantation and Specialized Therapies, Palermo, Italy.
3. University of Pittsburgh, Pittsburgh, Pennsylvania.
4. Division of Experimental Surgery, Berlin-Brandenburg Center for Regenerative Therapies, Charite—Campus Virchow-Clinic, Medical University Berlin, Berlin, Germany.
5. Program in Molecular Biology and Biotechnology, Departments of Cell and Molecular Physiology, Biomedical Engineering, Lineberger Cancer Center, and Center for Gastrointestinal and Biliary Disease Biology, University of North Carolina, Chapel Hill, North Carolina.
6. Department of Surgery, ISMETT-Mediterranean Institute for Transplantation and Specialized Therapies, Palermo, Italy.
7. Department of Bioengineering, McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.