Text and Data Mining valid from 2019-02-13
Received: 20 July 2018
Accepted: 26 September 2018
First Online: 13 February 2019
Ethics approval and consent to participate
: Ethics committee of Liaquat National Hospital, Karachi, Pakistan approved the study. Written informed consent was obtained from the patients for the participation.
: Not applicable.
: The authors declare that they have no competing interests.
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