[1] Statens Serum Inst, Natl Ctr Antimicrobials & Infect Control, DK-2300 Copenhagen S, Denmark
[2] Univ Copenhagen, Hvidovre Hosp, CHIP, DK-2650 Hvidovre, Denmark
[3] Univ Copenhagen Hosp, Rigshosp, Dept Infect Dis, DK-2100 Copenhagen, Denmark
[4] Univ Copenhagen, Hvidovre Hosp, Danish Res Ctr Magnet Resonance, DK-2650 Hvidovre, Denmark
[5] Univ Copenhagen, Herlev Hosp, Dept Clin Microbiol, DK-2730 Herlev, Denmark