[1] Univ Groningen, Inst Drug Explorat GUIDE, Dept Pharmacokinet & Drug Delivery, Ctr Pharm, NL-9713 AV Groningen, Netherlands
[2] Univ Groningen Hosp, Groningen Univ Inst Drug Explorat, Dept Clin Immunol, NL-9713 GZ Groningen, Netherlands
[3] Univ Groningen Hosp, Groningen Univ Inst Drug Explorat, Dept Pathol & Lab Med, NL-9713 GZ Groningen, Netherlands
[4] Univ Hamburg, Krankenhaus Eppendorf, Inst Med Mikrobiol & Immunol, D-20246 Hamburg, Germany
[5] Univ Tubingen Hosp, Inst Med Virol & Epidemiol Viral Dis, D-72076 Tubingen, Germany
[6] Univ Wurzburg, Childrens Hosp, D-97080 Wurzburg, Germany