1 Department of Medical Microbiology and Infection Prevention, Amsterdam University Medical Centers, Location AMC, University of Amsterdam, Amsterdam 1105 AZ, Netherlands; Department of Microbiology and Immunology, Weill Medical Center of Cornell University, New York, NY, USA. Electronic address: r.w.sanders@amsterdamumc.nl.
2 Department of Medical Microbiology and Infection Prevention, Amsterdam University Medical Centers, Location AMC, University of Amsterdam, Amsterdam 1105 AZ, Netherlands.