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Article History

Received: 17 July 2020

Accepted: 19 November 2020

First Online: 2 January 2021

Compliance with ethical standards

:

: Our study was approved by the institutional review board of urology department, Menofia university and certify that the study was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.

: No competing financial interests exist.

: An informed consent to participate in the study was obtained from all participants prior to including them in the study.