[1] Univ Kiel, Dept Med 2, Div Stem Cell Transplantat & Immunotherapy, Kiel, Germany
[2] Univ Hosp Schleswig Holstein, Kiel, Germany
[3] Univ Kiel, Dept Med Nephrol & Hypertens 4, Kiel, Germany
[4] Sanquin Res, Dept Expt Immunohaematol, Amsterdam, Netherlands
[5] Univ Amsterdam, Acad Med Ctr, Landsteiner Lab, NL-1105 AZ Amsterdam, Netherlands