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Article History

Received: 2 April 2020

Accepted: 12 June 2020

First Online: 19 June 2020

Ethics approval and consent to participate

: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Approval of research protocol was given by Institution Review Board (IRB)-Research center department at King Faisal Specialist Hospital and Research centre (KFSH&RC), Jeddah Branch.

: Patients’ consent was waived because of the retrospective nature of the study.

: Authors have no conflict of interests and the work was not supported or funded by any drug company and the authors declare that they have no competing interests.