Correction to: BMC Pulm Med 20, 212 (2020) https://doi.org/10.1186/s12890-020-01245-0

Following publication of the original article [1], it came to the authors’ attention that the affiliations had been incorrectly numbered.

The numbering has now been corrected in the original article.

Please also find the corrected numbering in this correction.

The publisher apologizes for any inconvenience caused.