Kostikas K, Price D, Gutzwiller FS, et al. Int J Chron Obstruct Pulmon Dis. 2020;15:1729–1738.
On page 1730 in Patients and Methods, Study Design section, and on page 1736 Ethics Approval section, the ISAC number reported was incorrect. The correct number is ISAC 17_118.
The authors apologize for this error.