Article History
Accepted: 19 April 2022
First Online: 4 May 2022
Declarations
:
: The collection and use of blood samples for this study were approved previously by the ethical committee of the medical research institute, Alexandria University. The study fulfills the principles delineated in the Declaration of Helsinki for use of human subjects.
: The authors declare that there are no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Helsinki Declaration (1964) and its later amendments. The collection and use of blood samples for this study were approved previously by the ethical committee of the medical research institute, Alexandria University.
: Written consents were obtained from all subjects participating in the study.
: This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.