Received: 21 April 2021
Accepted: 13 August 2021
First Online: 26 August 2021
: The study was approved by local ethical committee at Minia University- Faculty of Medicine. A written informed consent was signed from the parents or guardians of the children.
: Participants provided informed consent for the publication of the study. Authors agree to publish this work in Italian journal of pediatrics.
: The authors declare no conflict of interest. No financial or non-financial benefits have been received or will be received from any party related directly or indirectly to the subject of this article.