Received: 7 January 2021
Accepted: 3 May 2021
First Online: 11 May 2021
: This study was approved by the Ethical Research Committee of Faculty of Medicine Cairo University in Egypt on March 2017. The ethics committee reference number is not available.A written consent was taken from all patients accepting to participate in our research work.
: All patients included in this research gave written informed consent to publish the data contained within this study.
: The authors declared that they have no competing interests.