1. Transplantation Research Center; Renal Division, Brigham & Women's Hospital, Harvard Medical School; Boston; MA; USA
2. Department of Pathology; University of Massachusetts Medical School; Worcester; MA; USA
3. Center for Neurologic Diseases; Brigham & Women's Hospital; Boston; MA; USA
4. Department of Immunology; Juntendo University School of Medicine; Tokyo; Japan
5. Department of Medicine; Division of Nephrology, Universidade Federal de São Paulo; São Paulo; Brazil