Received: 12 June 2020
Accepted: 25 August 2020
First Online: 31 August 2020
Ethics approval and consent to participate
: Institutional Research and Ethics Board of Postgraduate Medical Institute, Peshawar, provided ethics approval (Reference number: 15442). This study contains data obtained from the hospital record, therefore informed consent from the patients was not applicable.
: Not applicable.
: The authors declare that they have no competing interests.