Funding for this research was provided by:
King Abdullah International Medical Research Center (RC13/246)
Received: 3 February 2021
Accepted: 1 September 2021
First Online: 22 September 2021
: This study was approved by the Institutional Reviewed Board (IRB) of King Abdulaziz Medical City, Health Affairs, Ministry of National Guard, Riyadh, Saudi Arabia. Prior to participation, informed consent was obtained from children and their parents/guardians.
: Not applicable.
: The authors declare no competing interests.