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Article History

Received: 5 July 2017

Accepted: 6 December 2018

First Online: 27 December 2018

Ethics approval and consent to participate

: This research was approved by the ethics committee of the Bahrain Defense Force Hospital, and was conducted in accordance with the standards of the Declaration of Helsinki. Written informed consent was obtained from all patients included in the study.

: Nil

: The authors declare that they have no competing interests.

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