1. Laboratory of Vaccine-Preventable Diseases
2. Laboratory of Toxicology, Pathology, and Genetics
3. Department of Pulmonology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
4. Diagnostic Laboratory for Infectious Diseases, National Institute of Public Health and the Environment (RIVM), Bilthoven, The Netherlands
5. Department of Epidemiology, Care and Public Health Research Institute, Maastricht University, Maastricht, The Netherlands
6. Nutrition and Toxicology Research Institute, Maastricht, The Netherlands
7. Department of Pediatric Pulmonology, Beatrix Children's Hospital, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
8. Department of Medical Microbiology, University Hospital of Maastricht, Maastricht University, Maastricht, The Netherlands