1. Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
2. Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
3. Department of Gastroenterology, Hepatology and Endocrinology, University Hospital Hannover, Hannover, Germany
4. Schulze Diabetes Institute for Immunology and Transplantation, Department of Surgery, University of Minnesota, Minneapolis, MN, USA
5. Institute for Cellular Transplantation, University of Arizona, Tuscon, AZ, USA
6. Novaliq GmbH, Heidelberg, Germany