Received: 17 August 2020
Accepted: 24 August 2021
First Online: 18 October 2021
: The authors assert that all procedures contributing to this work comply with the ethical standards of the relevant Egyptian guidelines on human experimentation and with the Helsinki Declaration of 1975, as revised in 2008, and has been approved by the institutional committee of the Faculty of Medicine, Cairo University. Ethical committee approval number is: I-231546. A written consent was fulfilled by each of the study participants.
: Not applicable.
: The authors declare that they have no competing interests.