Correction to: BMC Pulm Med
https://doi.org/10.1186/s12890-019-0806-x
Please note that an affiliation has been missed from the published article [
1].
The missing affiliation is:
3 - Department of Medicine, College of Medicine, Jazan University, Jazan, Saudi Arabia.
The corresponding author should have this affiliation.
Please find the corrected author list and list of affiliations in this article.
The authors apologize for any inconvenience caused.
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