About the Authors

Laurens J. Westerman

Affiliation Department of Medical Microbiology, University Medical Centre Utrecht, Utrecht, The Netherlands

Herbert V. Stel

Affiliation Department of Pathology, Tergooiziekenhuizen, Hilversum, The Netherlands

Marguerite E. I. Schipper

Affiliation Department of Pathology, University Medical Centre Utrecht, Utrecht, The Netherlands

Leendert J. Bakker

Affiliation Central Laboratory for Bacteriology and Serology, Tergooiziekenhuizen, Hilversum, The Netherlands

Eskelina A. Neefjes-Borst

Affiliation Department of Pathology, VU Medical Centre, Amsterdam, The Netherlands

Jan H. M. van den Brande

Affiliation Department of Internal Medicine, Tergooiziekenhuizen, Hilversum, The Netherlands

Edwin C. H. Boel

Affiliation Department of Medical Microbiology, University Medical Centre Utrecht, Utrecht, The Netherlands

Kees A. Seldenrijk

Affiliation Department of Pathology, St. Antonius Hospital, Nieuwegein, Nieuwegein, The Netherlands

Peter D. Siersema

Affiliation Department of Gastroenterology and Hepatology, University Medical Centre Utrecht, Utrecht, The Netherlands

Marc J. M. Bonten

Affiliation Department of Medical Microbiology, University Medical Centre Utrecht, Utrecht, The Netherlands

Johannes G. Kusters

H.Kusters@UMCUtrecht.nl

Affiliation Department of Medical Microbiology, University Medical Centre Utrecht, Utrecht, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ECHB KAS EANB HVS JHMvdB JGK LJW LJB MJMB MEIS PDS. Performed the experiments: LJW HVS. Analyzed the data: LJW HVS MEIS MJMB JGK. Contributed reagents/materials/analysis tools: HVS MEIS EANB KAS LJB ECHB PDS JHMvdB. Wrote the paper: LJW JGK. Critically revised the manuscript for important intellectual content: JHMvdB EANB PDS MJMB.