1. European Research Institute for the Biology of Ageing,
2. Groningen Research Institute for Asthma and COPD,
3. Department of Pediatric Pulmonology and Pediatric Allergology, Beatrix Children’s Hospital,
4. Department of Pathology and Medical Biology,
5. Genentech, Inc., South San Francisco, California; and
6. Department of Pulmonary Diseases, and
7. Department of Pulmonology and Tuberculosis, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands;
8. Faculty of Science, Centre for Inflammation, Centenary Institute and University of Technology Sydney, Sydney, Australia