Received: 12 January 2021
Accepted: 6 April 2021
First Online: 21 May 2021
: The study was approved by the Ethical Committee of the Faculty of Medicine, Cairo University, and oral and written consent was obtained from all participants. The Ethical Committee’s reference number is I-151015 The Ethical Committee approved all consent procedures. All samples were collected after obtaining written informed consent from the participants.
: The study obtained consent for publication.
: There are no competing interests associated with the manuscript.