Article History
Received: 13 September 2021
Accepted: 15 October 2021
First Online: 27 October 2021
Declarations
:
: The study received ethical approval from Assiut University, Faculty of Medicine’s institutional review board (IRB). This research was registered as Clinical Trail Registered with Number (NCT04745819) registered on date 9 February 2021, ExternalRef removed. To participate in the study, the parents signed informed consent on behalf of their children. They were assured that their information would be kept private, and that data would be made available in an anonymized form. All procedures performed in this study were in accordance with the ethical standard of the institution and/or national research committee, with the 1964 Helsinki Declaration and its later amendments.
: Not applicable.
: The authors declare that they have no competing interests.