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Article History

Received: 28 January 2021

Accepted: 18 May 2021

First Online: 21 July 2021

Declarations

:

: The authors declare that they have no competing interests.

: This study was conducted in accordance with the principles of Helsinki Declaration. It was ethically approved by the secondary care medical research subcommittee, SMC, Ministry of Health, Kingdom of Bahrain. Reference number is not available.

: Informed consent form was not needed as this is retrospective study; institutional ethical clearance was obtained as all the information was passed through the ethical committee; other funding agency was not required.