1. Transplantation Unit; Renal Division; Department of Medicine; University Health Center of Quebec; Faculty of Medicine; Laval University; Quebec QC Canada
2. Department of Pathology; University Health Center of Quebec; Faculty of Medicine; Laval University; Quebec QC Canada
3. Renal Division; Schuster Family Transplantation Research Center; Brigham and Women's Hospital, Boston Children's Hospital, and Harvard Medical School; Boston MA USA
4. Department of Pathology; Brigham and Women's Hospital and Harvard Medical School; Boston MA USA