Received: 28 June 2019
Accepted: 21 October 2019
First Online: 28 November 2019
Ethics approval and consent to participate
: This study was approved by the Reasearch Ethics Committee of the Faculty of Medicine at Assiut University in Egypt on February 28, 2017, and its number is 17100016. Written informed consent was obtained from all patients to participate in this study.
: All patients included in this research gave written informed consent to publish the data contained within this study.
: The authors declare that they have no competing interests.