[1] Univ Amsterdam, Acad Med Ctr, Dept Internal Med, Renal Transplant Unit, NL-1105 AZ Amsterdam, Netherlands
[2] Univ Amsterdam, Acad Med Ctr, Dept Expt Immunol, NL-1105 AZ Amsterdam, Netherlands
[3] Oregon Hlth & Sci Univ, Vaccine & Gene Therapy Inst, Beaverton, OR 97006 USA