[1] GZA Hosp, Dept Med Microbiol, Oosterveldlaan 22, B-2610 Antwerp, Belgium
[2] Univ Antwerp, Antwerp Univ Hosp UZA, Dept Med Microbiol, Edegem, Belgium
[3] GZA Hosp, Dept Neurosurg, Antwerp, Belgium
[4] GZA Hosp, Dept Infect Control, Antwerp, Belgium