1. Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, The University of Cincinnati, Cincinnati, OH 45267, USA.
2. Department of Internal Medicine, University of Cincinnati, Cincinnati, OH 45267, USA.
3. Vontz Core Imaging Laboratory, Vontz Center for Molecular Studies, The University of Cincinnati, Cincinnati, OH 45267, USA.
4. Perinatal Institute, Division of Pulmonary Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA.
5. Pathology and Laboratory Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA.
6. Pulmonary Imaging Research Center, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA.
7. The Sanofi-Genzyme R&D Center, Genzyme, a Sanofi company, Framingham, MA 01701, USA.
8. Department of Chest Diseases, Faculty of Medicine, Pamukkale University, Denizli 20160, Turkey.
9. Department for Respiratory Diseases, University Hospital Centre Zagreb, University of Zagreb School of Medicine, 10000 Zagreb, Croatia.
10. Department of Diffuse Lung Diseases and Respiratory Failure, Clinical Research Center, National Hospital Organization Kinki-Chuo Chest Medical Center, Osaka 5918555, Japan.