Aslam, Rabia
Sharif, Faiza
Baqar, Mujtaba
Nizami, Abdul-Sattar
Ashraf, Uzma
Article History
Received: 15 October 2021
Accepted: 2 February 2022
First Online: 26 February 2022
Declarations
:
: Before starting the study, proper ethical approval/permission was obtained from the Bio-ethical committee of Government College University Lahore, and the head of the department of chest wards and pulmonology departments of all the five public and private hospitals study.
: Not applicable.
: The authors declare no competing interests.