1. Department of Hospital and Clinical Pharmacy, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
2. National Mycobacteria Reference Laboratory, National Institute for Public Health and the Environment, Bilthoven, Netherlands
3. Radboud University Nijmegen Medical Centre, Dekkerswald, and Medical Microbiology, Nijmegen, Netherlands
4. Departments of Internal Medicine and of Pulmonary Diseases and Tuberculosis, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
5. Expertise Centre for Methodology and Information Services, National Institute for Public Health and the Environment, Bilthoven, Netherlands