[1] Natl Inst Publ Hlth, Lab Infect Dis & Screening, Bilthoven, Netherlands
[2] Univ Med Ctr, Dept Immunol, Utrecht, Netherlands
[3] Univ Med Ctr, Dept Pediat Immunol & Infect Dis, Utrecht, Netherlands
[4] St Antonius Hosp, Lab Med Microbiol & Immunol, Nieuwegein, Netherlands