[1] Erasmus Med Ctr, Dept Med Microbiol & Infect Dis, NL-3015 GD Rotterdam, Netherlands
[2] Erasmus Med Ctr, Dept Neurol, NL-3015 GD Rotterdam, Netherlands
[3] Erasmus Med Ctr, Dept Immunol, NL-3015 GD Rotterdam, Netherlands
[4] Erasmus Med Ctr, Dept Virol, NL-3015 GD Rotterdam, Netherlands
[5] Diagnost Ctr SSDZ, Dept Immunol & Infect Dis, NL-2600 GA Delft, Netherlands