Funding for this research was provided by:
Received: 26 February 2019
Accepted: 30 March 2020
First Online: 10 April 2020
Ethics approval and consent to participate
: The authors obtained permission to conduct this study from the Institutional Review Board, Mansoura Faculty of Medicine, Mansoura University (code-Number:R/18.12.370) on January 2019. An informed consent was obtained from all the patients studied.
: Not applicable.
: The authors declare that they have no competing interests.