Received: 17 July 2020
Accepted: 26 October 2020
First Online: 10 November 2020
Ethics approval and consent to participate
: The study was performed according to the ethical guidelines of the 1975 Declaration of Helsinki after approval from Institutional Review Board (IRB) for human subject research at Aswan University Hospital (serial: 18-4-111-Aswu). An informed written consent was obtained from all enrolled participants before enrolment to the study.
: Non applicable.
: The authors have no conflict of interest to declare.