[1] HARVARD UNIV, BRIGHAM & WOMENS HOSP,SCH MED,DEPT MED,DIV RENAL, IMMUNOGENET & TRANSPLANTAT LAB, BOSTON, MA 02115 USA
[2] HARVARD UNIV, BRIGHAM & WOMENS HOSP, SCH MED, DEPT SURG, BOSTON, MA 02115 USA
[3] HARVARD UNIV, BETH ISRAEL HOSP, SCH MED, DEPT MED, BOSTON, MA 02215 USA
[4] HARVARD UNIV, BETH ISRAEL HOSP, SCH MED, DEPT SURG, BOSTON, MA 02215 USA
[5] HARVARD UNIV, SCH MED, HARVARD CTR STUDY KIDNEY DIS, BOSTON, MA 02115 USA
[6] NCI, METAB BRANCH, BETHESDA, MD 20892 USA