1. Paris Translational Research Center for Organ Transplantation, INSERM, UMR-S970, Paris, France
2. Department of Kidney Transplantation, Necker Hospital, Assistance Publique - Hôpitaux de Paris, Paris, France
3. Department of Medicine, Renal-Electrolyte and Hypertension Division, University of Pennsylvania, Philadelphia
4. Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania, Philadelphia
5. Agence de la Biomédecine, Saint Denis la Plaine, France
6. Department of Nephrology and Kidney Transplantation, Saint-Louis Hospital, Assistance Publique - Hôpitaux de Paris, Paris, France
7. INSERM U1018, CESP, Université Paris Sud, Villejuif, France