Document is current

Article History

Received: 14 December 2020

Accepted: 10 January 2021

First Online: 16 February 2021

Compliance with ethical standards

:

: The authors declare that they have no conflict of interest.

: This research is approved by local ethical committee of kasr el Aini medical school, faculty of medicine Cairo university (reference number is not available) and an informed written consent was taken from patients included in this study.

: We declare that this manuscript is original and has not been published before and not currently being considered for publication elsewhere.

: None.