Department of Medical Microbiology, Academic Medical Center 1100 DE Amsterdam, The Netherlands.|Department of Medical Microbiology, Academic Medical Center 1100 DE Amsterdam, The Netherlands.|Department of Medical Microbiology, Academic Medical Center 1100 DE Amsterdam, The Netherlands.|Department of Medical Microbiology, Academic Medical Center 1100 DE Amsterdam, The Netherlands.|Department of Medical Microbiology, Academic Medical Center 1100 DE Amsterdam, The Netherlands.