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Article History

Received: 31 August 2023

Accepted: 22 November 2023

First Online: 1 December 2023

Declarations

:

: This study was accepted by the ethics review board of Quaid-i-Azam University, Islamabad. All participants were informed on the nature, purpose, and likely upshot of the study. Each participant signed a consent form before lung function examination. The Declaration of Helsinki (revised 2013) was also complied with.

: All authors have read, understood, and have complied as applicable with the statement on “Ethical responsibilities of Authors” as found in the Instructions for Authors

: The authors declare no competing interests.