Alam, M. Z.
Article History
Received: 10 February 2021
Revised: 10 June 2021
Accepted: 30 August 2021
First Online: 23 December 2021
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest.</i> The author declares no conflicts of interest.
: <i>Statement of compliance with standards of research involving humans as subjects.</i> Patients were informed about the study and verbal consents were obtained from all of them before taking samples. The samples were collected according to the guidelines of the Ethical Committee of King Abdulaziz University Hospital, Jeddah, Saudi Arabia.