Received: 10 July 2021
Accepted: 6 October 2021
First Online: 19 October 2021
: Both verbal and written consents were taken from each parent. The study was approved by ethical committee of the faculty of medicine, Minia University.
: Both oral and written parental consents for publication were obtained. All authors declare that the manuscript hasn’t been published before nor considered for publication elsewhere.
: All authors declare that they have no financial and non-financial conflicts of interests.