1. Transplantation Unit; Renal Division; Department of Medicine; University Health Center of Quebec; Faculty of Medicine; Laval University; Québec QC Canada
2. Immunology and Histocompatibility Laboratory; University Health Center of Quebec; Faculty of Medicine; Laval University; Québec QC Canada
3. Department of Pathology; University Health Center of Quebec; Faculty of Medicine; Laval University; Québec QC Canada