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Article History

Received: 24 May 2018

Accepted: 26 November 2018

First Online: 7 December 2018

Ethics approval and consent to participate

: The study protocol was approved by Ethics Committee for Students’ Research at Health Science Center, Kuwait University and the Research Ethics Committee at the Ministry of Health, Kuwait. All patients and controls gave their written informed consents for the use of their data for research purposes.

: Both the authors hereby accord consent these data.

: None declared.

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