Received: 2 May 2021
Accepted: 25 August 2021
First Online: 30 August 2021
: The study was ethically approved by the Faculty of Science of Nature and Life, Djelfa University, Algeria (Ref:AT04/E.V.E.S) and informed consent was obtained from each patient or his/her parents or guardians in the case of minors.
: Not applicable.
: The authors have declared that no competing interests exist.