[1] Univ Wageningen & Res Ctr, Cell Biol & Immunol Grp, Wageningen, Netherlands
[2] Radboud Univ Nijmegen, Med Ctr, Dept Otorhinolaryngol, NL-6525 ED Nijmegen, Netherlands
[3] Rijnstate Hosp, Dept Clin Chem & Haematol, Arnhem, Netherlands
[4] Univ Wageningen & Res Ctr, Wageningen, Netherlands