| ATS | American Thoracic Society |
| ERS | European Respiratory Society |
| GLI | Global Lung Function Initiative |
| PRISMA | Preferred Reporting Items for Systematic Reviews and Meta-Analyses |
| ATS | American Thoracic Society |
| ERS | European Respiratory Society |
| GLI | Global Lung Function Initiative |
| PRISMA | Preferred Reporting Items for Systematic Reviews and Meta-Analyses |