1. Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
2. University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, The Netherlands
3. University of Newcastle, School of Biomedical Sciences and Pharmacy, Callaghan, NSW, Australia
4. National Health and Medical Research Council Centre of Research Excellence in Pulmonary Fibrosis, Sydney, NSW, Australia
5. Department of Lung Diseases, University Medical Center Groningen, Groningen, The Netherlands
6. Department of Anesthesiology, Pharmacology and Therapeutics, University of British Columbia, Providence Health Care Research Institute, Vancouver, BC, Canada