1. Baylor Annette C. and Harold C. Simmons Transplant Institute; Dallas TX USA
2. Islet Cell Laboratory; Baylor Research Institute; Dallas TX USA
3. Division of Transplantation; Department of Surgery; Virginia Commonwealth University; Richmond VA USA
4. Institute of Biomedical Studies; Baylor University; Waco TX USA
5. Department of Hepatobiliary and Pancreatic Surgery; University Hospital of Leicester; Leicester UK