1. Department of Internal Medicine, Nephrology and Transplantation, Erasmus MC, University Medical Center, Rotterdam, the Netherlands.
2. Institute of Clinical Medicine, Department of Medicine and Nephrology C, Aarhus University, Aarhus, Denmark.
3. Nuffield Department of Surgical Sciences, Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom.
4. Department of Surgery–Organ Donation and Transplantation, University of Medical Center Groningen, Groningen, the Netherlands.
5. Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark.
6. Department of Renal Medicine, Aarhus University Hospital, Aarhus, Denmark.