1 Paris University, Paris Translational Research Center for Organ Transplantation, INSERM, UMR-S970, Paris, France; Department of Kidney Transplantation, Necker Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France. Electronic address: alexandre.loupy@inserm.fr.
2 Paris University, Paris Translational Research Center for Organ Transplantation, INSERM, UMR-S970, Paris, France; Department of Kidney Transplantation, Necker Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France.
3 Paris University, Paris Translational Research Center for Organ Transplantation, INSERM, UMR-S970, Paris, France; University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.
4 Agence de la Biomédecine, Saint Denis la Plaine, France.
5 Agence de la Biomédecine, Saint Denis la Plaine, France; INSERM U1018, Center for Research in Epidemiology and Population Health, Université Paris Sud, Villejuif, France.