[1] Nantes Univ Hosp, Dept Urol & Transplantat Surg, Nantes, France
[2] INSERM, Inst Transplantat Urol Nephrol ITUN, Ctr Rech Transplantat & Immunol CRTI UMR 1064, Nantes, France
[3] Univ Oxford, Nuffield Dept Surg Sci, Oxford, England
[4] Hosp Civils Lyon, Hop Edouard Herriot, Dept Urol & Transplant Surg, Lyon, France