Received: 19 September 2018
Accepted: 18 July 2019
First Online: 26 July 2019
Ethics approval and consent to participate
: Ethics approval was granted by the Institutional Research and Ethics Board (IREB) of Postgraduate Medical Institute, Peshawar. Informed consent from the patients was not applicable. As our study contains the data obtained from the hospital record.
: Not applicable.
: The authors declare that they have no competing interests.