Received: 6 July 2019
Accepted: 24 December 2019
First Online: 2 January 2020
Ethics approval and consent to participate
: The entire procedure was approved by the Institutional Review Board (IRB) at the American University of Beirut (protocol number:OTO.MB1.02) and carried out with written informed consent of the patients, the parents, and/or legal guardians.
: All patients, parents and legal guardians signed an informed consent for data publication.
: The authors declare that they have no competing interests.