Received: 5 July 2020
Accepted: 22 March 2021
First Online: 1 April 2021
: Ethical approval for this study had been taken from Shaheed Zulfiqar Ali Bhutto Medical University, Islamabad. Reference no. F.1-1/2015/ERB/SZABMU. Written consent from the participants was sought before data collection.
: Not applicable.
: The authors declare that they have no competing interests.