Received: 19 January 2020
Accepted: 11 March 2020
First Online: 18 March 2020
Ethics approval and consent to participate
: All participants gave written informed consent, and approval for the study was granted by the Research Ethics Review Committee of FMH College of Medicine and Dentistry, Lahore, Pakistan.
: Not applicable.
: The authors report no declarations of interest. Dr. Ahmed Waqas serves BMC Research Notes as an associate editor, however, he was not involved in the peer review process for this manuscript.