1. Section of Cell Biology, Division of Diabetes, Endocrinology and Metabolism, Department of Medicine, Imperial College London, London, U.K.
2. Department of Endocrinology and Metabolism, University of Pisa, Pisa, Italy
3. Department of Pharmacology, University of Cambridge, Cambridge,U.K.
4. Cell Isolation and Transplantation Center, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
5. Diabetes Research Institute, San Raffaele Scientific Institute, Milan, Italy
6. Nuffield Department of Surgical Sciences, University of Oxford, Oxford, U.K.
7. Oxford Centre for Diabetes, Endocrinology, and Metabolism, University of Oxford, Oxford, U.K.
8. National Institute of Health Research Oxford Biomedical Research Centre, Churchill Hospital, Oxford, U.K.
9. University of Texas Southwestern Medical Center, Dallas, TX
10. Clinical Islet Laboratory and Clinical Islet Transplant Program, University of Alberta, Edmonton, Alberta, Canada