Received: 14 July 2021
Accepted: 11 February 2022
First Online: 23 February 2022
: Study design was revised and approved by the ethical committee at Ain Shams University (FMASU MD 396/2019) following declaration of Helsinki last updated 2008. Informed written consent was obtained from all the study participants.
: Not applicable.
: The authors declare that they have no competing interests.