Irfan, Babar
Zahid, Ibrahim
Khan, Muhammad Sharjeel
Khan, Omar Abdul Aziz
Zaidi, Shayan
Awan, Safia
Bilal, Sobia
Irfan, Omar
Article History
Received: 26 July 2018
Accepted: 24 October 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: The study was approved by the Ethical Review Committee of Jinnah Hospital, Karachi and written informed consent was taken from each participant prior to data collection.
: Not Applicable.
: The authors declare that they have no competing interests.