1 Radboud University Nijmegen Medical Centre and Canisius-Wilhelmina Hospital, Department of Medical Microbiology and Infectious Diseases, 6500 GS Nijmegen, Netherlands. Electronic address: vossandreas@gmail.com.
2 VU University Medical Center Amsterdam and Amphia Hospital Breda, Department of Medical Microbiology, Breda, Netherlands.
3 University of Iowa, Carver College of Medicine Department of Internal Medicine, Iowa City, IA, USA.