Received: 17 April 2020
Accepted: 22 June 2020
First Online: 29 June 2020
Ethics approval and consent to participate
: The study protocol was reviewed and approved by the institutional research review committee in Faculty of Medicine, Menoufia University (ID: 180112Ped). Official permission letters were obtained and directed to general directors of education whom responsible for the chosen schools, then purpose of the study was explained to all mothers/guardians of the children and those who agreed to participate signed an informed consent to confirm their willingness to participate. After screening, results were shared and discussed with mother(s)/guardian(s) who were informed about management plan for their children conditions with encouraging them to follow up their children conditions with their family and pediatric physicians.
: Consents for publication were obtained from participants parents.
: The authors declare that they have no competing interests.