1. 1Department of Medical Microbiology, Radboud University Medical Center, Nijmegen, The Netherlands
2. 2Diagnostic Services Manitoba, Winnipeg, Manitoba, Canada
3. 3Emerging Bacterial Pathogens Unit, San Raffaele Scientific Institute, Milan, Italy
4. 4Mycobacteria/Nocardia Laboratory, University of Texas Health Science Center at Tyler, Tyler, Texas, USA