The GLI Spirometry equations were produced by the European Respiratory Society Task Force (TF-2009-03). The final report has been endorsed by the
- European Respiratory Society
- American Thoracic Society
- Australian and New Zealand Society of Respiratory Sciency
- Asian Pacific Society of Respirology
- Thoracic Society of Australia and New Zealand
- American College of Chest Physicians.
The GLITL,CO equations were produced by the European Respiratory Society Task Force (TF-2013-05). The final report has been endorsed by the
- European Respiratory Society