1. Department of Urology, Kidney Transplantation and Andrology, Toulouse Rangueil University Hospital, Toulouse, France.
2. Department of Urology, Kidney Transplantation and Andrology, Bordeaux University Hospital, Bordeaux, France.
3. Biostatistics Unit, Research Board, Nantes University Hospital, Nantes, France.
4. Institut de Transplantation Urologie Néphrologie (ITUN), Nantes University Hospital, Nantes, France.
5. Department of Nephrology and Organ Transplantation, Toulouse Rangueil University Hospital, Toulouse, France.