Received: 19 February 2021
Accepted: 21 June 2021
First Online: 3 July 2021
: Study approval was obtained from the ethical review committee of the Faculty of Medicine, Fayoum University, Egypt, in January 2019 prior to the study conduction, and an informed written consent was obtained from each patient according to the rules of the Local Ethical Committee (Committee reference number: not applicable).
: Not applicable
: The authors declare that they have no competing interests.