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.