Article History
Received: 17 December 2021
Accepted: 12 January 2022
First Online: 18 January 2022
Declarations
:
: Approval to conduct the study was obtained from the Institutional Review Board of the Lebanese American University, Beirut, Lebanon. Parents signed an informed consent for participation and sample collection.
: Parents signed an informed consent for data publication.
: The authors declare no competing interests.